Knowledge

One-way analysis of variance

Source 📝

4237: 5491: 4715: 3906: 4942: 4414: 192:-test is conservative", and so it is less likely than it should be to find that a variable is significant. However, as either the sample size or the number of cells increases, "the power curves seem to converge to that based on the normal distribution". Tiku (1971) found that "the non-normal theory power of 201:
consequences of such violations are less severe than previously thought. Although these conclusions should not entirely discourage anyone from being concerned about the normality assumption, they have increased the overall popularity of the distribution-dependent statistical tests in all areas of research."
65:). The ANOVA produces an F-statistic, the ratio of the variance calculated among the means to the variance within the samples. If the group means are drawn from populations with the same mean values, the variance between the group means should be lower than the variance of the samples, following the 221:
The normal linear model describes treatment groups with probability distributions which are identically bell-shaped (normal) curves with different means. Thus fitting the models requires only the means of each treatment group and a variance calculation (an average variance within the treatment
4437: 3688:
Each treatment group is summarized by the number of experimental units, two sums, a mean and a variance. The treatment group summaries are combined to provide totals for the number of units and the sums. The grand mean and grand variance are computed from the grand sums. The treatment and grand
200:
The current view is that "Monte-Carlo studies were used extensively with normal distribution-based tests to determine how sensitive they are to violations of the assumption of normal distribution of the analyzed variables in the population. The general conclusion from these studies is that the
4232:{\displaystyle {\begin{aligned}{\overline {Y}}_{1}&={\frac {1}{6}}\sum Y_{1i}={\frac {6+8+4+5+3+4}{6}}=5\\{\overline {Y}}_{2}&={\frac {1}{6}}\sum Y_{2i}={\frac {8+12+9+11+6+8}{6}}=9\\{\overline {Y}}_{3}&={\frac {1}{6}}\sum Y_{3i}={\frac {13+9+11+8+7+12}{6}}=10\end{aligned}}} 5486:{\displaystyle {\begin{aligned}S_{W}=&(1)^{2}+(3)^{2}+(-1)^{2}+(0)^{2}+(-2)^{2}+(-1)^{2}+\\&(-1)^{2}+(3)^{2}+(0)^{2}+(2)^{2}+(-3)^{2}+(-1)^{2}+\\&(3)^{2}+(-1)^{2}+(1)^{2}+(-2)^{2}+(-3)^{2}+(2)^{2}\\=&\ 1+9+1+0+4+1+1+9+0+4+9+1+9+1+1+4+9+4\\=&\ 68\\\end{aligned}}} 3757:
Consider an experiment to study the effect of three different levels of a factor on a response (e.g. three levels of a fertilizer on plant growth). If we had 6 observations for each level, we could write the outcome of the experiment in a table like this, where
187:
However, this is a misconception, based on work done in the 1950s and earlier. The first comprehensive investigation of the issue by Monte Carlo simulation was Donaldson (1966). He showed that under the usual departures (positive skew, unequal variances) "the
5841:
of the first group differs from the population means of the other groups. However, there is no evidence that the second and third groups have different population means from each other, as their mean difference of one unit is comparable to the standard error.
5781:-test, it is common to carry out some "post-hoc" analysis of the group means. In this case, the first two group means differ by 4 units, the first and third group means differ by 5 units, and the second and third group means differ by only 1 unit. The 2824: 196:
is found to differ from the normal theory power by a correction term which decreases sharply with increasing sample size." The problem of non-normality, especially in large samples, is far less serious than popular articles would suggest.
4251: 3257: 3574: 4710:{\displaystyle {\begin{aligned}S_{B}&=n({\overline {Y}}_{1}-{\overline {Y}})^{2}+n({\overline {Y}}_{2}-{\overline {Y}})^{2}+n({\overline {Y}}_{3}-{\overline {Y}})^{2}\\&=6(5-8)^{2}+6(9-8)^{2}+6(10-8)^{2}=84\end{aligned}}} 5746: 2545:
Given the summary statistics, the calculations of the hypothesis test are shown in tabular form. While two columns of SS are shown for their explanatory value, only one column is required to display results.
61:, which states that samples in all groups are drawn from populations with the same mean values. To do this, two estimates are made of the population variance. These estimates rely on various assumptions ( 4442: 369: 3695:
A computer typically determines a p-value from F which determines whether treatments produce significantly different results. If the result is significant, then the model provisionally has validity.
2951: 777: 3729:
In a more complex experiment, where the experimental units (or environmental effects) are not homogeneous, row statistics are also used in the analysis. The model includes terms dependent on
3136: 3039: 2686: 5656: 4947: 3911: 291: 3460: 3360: 2128: 5835: 1992: 728: 5572: 2057: 2692: 810: 681: 528: 1934: 4829: 2535: 5837:. Thus the first group is strongly different from the other groups, as the mean difference is more than 3 times the standard error, so we can be highly confident that the 454: 414: 5770:
at the 5% significance level. One would not accept the null hypothesis, concluding that there is strong evidence that the expected values in the three groups differ. The
1882: 4773: 3674: 3647: 4409:{\displaystyle {\overline {Y}}={\frac {\sum _{i}{\overline {Y}}_{i}}{a}}={\frac {{\overline {Y}}_{1}+{\overline {Y}}_{2}+{\overline {Y}}_{3}}{a}}={\frac {5+9+10}{3}}=8} 2433: 2379: 2323: 643: 592: 2400: 2344: 2233: 2182: 1814: 1765: 1636: 1499: 1470: 1053: 563: 2495: 1667: 1615: 1584: 1553: 1447: 1414: 1386: 1358: 1325: 1292: 1264: 1236: 1203: 1170: 1142: 1114: 932: 3724: 2464: 2261: 2212: 2161: 1842: 1793: 1744: 1716: 1081: 1032: 1004: 976: 483: 614: 3601: 3284: 3142: 2851: 3747: 2285: 1522: 894: 874: 854: 834: 3466: 6024:
Blair, R. C. (1981). "A reaction to 'Consequences of failure to meet assumptions underlying the fixed effects analysis of variance and covariance.'".
836:
over the experimental units can be interpreted several ways. In some experiments, the same experimental unit is subject to a range of treatments;
6091: 143: 6051:
Randolf, E. A.; Barcikowski, R. S. (1989). "Type I error rate when real study values are used as population parameters in a Monte Carlo study".
72:
Typically, however, the one-way ANOVA is used to test for differences among at least three groups, since the two-group case can be covered by a
6118: 5674: 176:, particularly for small alpha levels and unbalanced layouts. Furthermore, it is also claimed that if the underlying assumption of 127: 3890:-test for this experiment would be that all three levels of the factor produce the same response, on average. To calculate the 303: 2857: 6269: 6255: 734: 3050: 2957: 2598: 161:
The one-way ANOVA can be generalized to the factorial and multivariate layouts, as well as to the analysis of covariance.
5583: 231: 51: 3373: 113: 3290: 6179: 5954: 5901: 2070: 6261: 6208: 5788: 3692:
The three DFs and SSs are calculated from the summaries. Then the MSs are calculated and a ratio determines F.
1947: 6288: 5906: 687: 17: 5502: 3684:
The core ANOVA analysis consists of a series of calculations. The data is collected in tabular form. Then
2537:. The grand mean and grand variance are computed from the grand sums, not from group means and variances. 856:
may point to a particular unit. In others, each treatment group has a distinct set of experimental units;
222:
groups is used). Calculations of the means and the variance are performed as part of the hypothesis test.
69:. A higher ratio therefore implies that the samples were drawn from populations with different mean values. 2819:{\displaystyle \sum _{j}{\frac {(\sum _{i}y_{ij})^{2}}{I_{j}}}-{\frac {(\sum _{j}\sum _{i}y_{ij})^{2}}{I}}} 2009: 97: 100:
that examines the influence of two different categorical independent variables on one dependent variable.
5751:
The critical value is the number that the test statistic must exceed to reject the test. In this case,
782: 108:
The results of a one-way ANOVA can be considered reliable as long as the following assumptions are met:
6293: 6053:
Paper Presented at the 11th Annual Meeting of the Mid-Western Educational Research Association, Chicago
650: 490: 42:) is a technique to compare whether two or more samples' means are significantly different (using the 1899: 6122: 4784: 2500: 5767: 421: 381: 1851: 4733: 3652: 6233: 5946: 5940: 3610: 204:
For nonparametric alternatives in the factorial layout, see Sawilowsky. For more discussion see
2406: 2352: 2296: 621: 158:
ANOVA is a relatively robust procedure with respect to violations of the normality assumption.
570: 2385: 2329: 2218: 2167: 1799: 1750: 1621: 1484: 1455: 1038: 535: 66: 3252:{\displaystyle \sum _{j}\sum _{i}y_{ij}^{2}-\sum _{j}{\frac {(\sum _{i}y_{ij})^{2}}{I_{j}}}} 2474: 1642: 1590: 1559: 1528: 1422: 1392: 1364: 1336: 1300: 1270: 1242: 1214: 1178: 1148: 1120: 1092: 907: 6067: 5881: 3702: 2442: 2239: 2190: 2139: 1820: 1771: 1722: 1694: 1059: 1010: 982: 954: 461: 131: 117: 47: 5970:
Welch, B. L. (1951). "On the Comparison of Several Mean Values: An Alternative Approach".
599: 211: 8: 3580: 3263: 2830: 173: 4837:
Calculate the "within-group" sum of squares. Begin by centering the data in each group
3569:{\displaystyle \sum _{j}\sum _{i}y_{ij}^{2}-{\frac {(\sum _{j}\sum _{i}y_{ij})^{2}}{I}}} 6226: 5987: 3732: 2270: 1507: 879: 859: 839: 819: 6265: 6204: 6175: 6007: 5950: 5916: 4936:
The within-group sum of squares is the sum of squares of all 18 values in this table
169: 147: 6143:
Sawilowsky, S. (1990). "Nonparametric tests of interaction in experimental design".
225:
The commonly used normal linear models for a completely randomized experiment are:
172:
when there are severe violations of the assumption that each population follows the
6152: 6104: 6100: 6033: 5979: 3749:. Determining the extra terms reduces the number of degrees of freedom available. 177: 6197: 58: 6251: 5858: 5838: 5782: 205: 43: 6156: 6037: 6282: 6068:"Power of the F-Test for Nonnormal Distributions and Unequal Error Variances" 5911: 139: 4727:
The between-group degrees of freedom is one less than the number of groups
181: 146:. If the variances are not known to be equal, a generalization of 2-sample 5896: 2550:
ANOVA table for fixed model, single factor, fully randomized experiment
5991: 212:
The case of fixed effects, fully randomized experiment, unbalanced data
31: 54:
variable "Y" and a single explanatory variable "X", hence "one-way".
5983: 5741:{\displaystyle F={\frac {MS_{B}}{MS_{W}}}\approx 42/4.5\approx 9.3} 142:, a non-parametric alternative to this test should be used such as 5771: 899: 5886: 81: 77: 73: 6232:(2nd ed.). New York: Holt, Rinehart and Winston. p.  485:
is the number of experimental units in the jth treatment group
76:(Gosset, 1908). When there are only two means to compare, the 645:
is the jth treatment effect, a deviation from the grand mean
164:
It is often stated in popular literature that none of these
6009:
Experimental Design: Procedures For The Behavioral Sciences
594:
is the mean of the observations for the jth treatment group
4431:
Calculate the "between-group" sum of squared differences:
364:{\displaystyle y_{i,j}=\mu +\tau _{j}+\varepsilon _{i,j}} 2946:{\displaystyle {\frac {SS_{Treatment}}{DF_{Treatment}}}} 6072:
Paper Prepared for United States Air Force Project RAND
153: 6174:(5th ed.). New York: Wiley. p. Section 3–2. 772:{\displaystyle \varepsilon \thicksim N(0,\sigma ^{2})} 5934: 5932: 5791: 5677: 5586: 5505: 4945: 4787: 4736: 4440: 4254: 3909: 3735: 3705: 3655: 3613: 3583: 3469: 3376: 3293: 3266: 3145: 3053: 2960: 2860: 2833: 2695: 2601: 2503: 2477: 2445: 2409: 2388: 2355: 2332: 2299: 2273: 2242: 2221: 2193: 2170: 2142: 2073: 2012: 1950: 1902: 1854: 1823: 1802: 1774: 1753: 1725: 1697: 1645: 1624: 1593: 1562: 1531: 1510: 1487: 1458: 1425: 1395: 1367: 1339: 1303: 1273: 1245: 1217: 1181: 1151: 1123: 1095: 1062: 1041: 1013: 985: 957: 910: 882: 862: 842: 822: 785: 737: 690: 653: 624: 602: 573: 538: 493: 464: 424: 384: 306: 234: 3131:{\displaystyle \sum _{Treatments}(I_{j}-1)s_{j}^{2}} 3034:{\displaystyle {\frac {MS_{Treatment}}{MS_{Error}}}} 2681:{\displaystyle \sum _{Treatments}I_{j}(m_{j}-m)^{2}} 6203:(4th ed.). W H Freeman & Co. p. 764. 5651:{\displaystyle MS_{W}=S_{W}/f_{W}=68/15\approx 4.5} 938:ANOVA data organization, Unbalanced, Single factor 286:{\displaystyle y_{i,j}=\mu _{j}+\varepsilon _{i,j}} 6225: 6196: 6050: 6013:(3 ed.). Pacific Grove, CA, USA: Brooks/Cole. 6006: 5929: 5829: 5740: 5650: 5566: 5485: 4823: 4767: 4709: 4408: 4231: 3779:are the three levels of the factor being studied. 3741: 3718: 3668: 3641: 3595: 3568: 3455:{\displaystyle \sum _{Observations}(y_{ij}-m)^{2}} 3454: 3354: 3278: 3251: 3130: 3033: 2945: 2845: 2818: 2680: 2529: 2489: 2458: 2427: 2394: 2373: 2338: 2317: 2279: 2255: 2227: 2206: 2176: 2155: 2122: 2051: 1986: 1928: 1876: 1836: 1808: 1787: 1759: 1738: 1710: 1661: 1630: 1609: 1578: 1547: 1516: 1493: 1464: 1441: 1408: 1380: 1352: 1319: 1286: 1258: 1230: 1197: 1164: 1136: 1108: 1075: 1047: 1026: 998: 970: 926: 888: 868: 848: 828: 804: 771: 722: 675: 637: 608: 586: 557: 522: 477: 448: 408: 363: 285: 904:One form of organizing experimental observations 812:are normally distributed zero-mean random errors. 6280: 6228:Statistics: Probability, Inference, and Decision 3726:terms are equal so the SS equations simplify. 3355:{\displaystyle {\frac {SS_{Error}}{DF_{Error}}}} 6092:Journal of the American Statistical Association 84:are equivalent; the relation between ANOVA and 6250: 2123:{\displaystyle \sum _{j}\sum _{i}(y_{ij})^{2}} 900:The data and statistical summaries of the data 6224:Winkler, Robert L.; Hays, William L. (1975). 3649:is the estimate of variance corresponding to 6223: 6195:Moore, David S.; McCabe, George P. (2003). 6194: 6085:Tiku, M. L. (1971). "Power Function of the 5577:Thus the within-group mean square value is 144:Kruskal–Wallis one-way analysis of variance 6199:Introduction to the Practice of Statistics 6169: 6142: 6119:"Getting Started with Statistics Concepts" 5902:Multivariate analysis of variance (MANOVA) 5766:=9.3 > 3.68, the results are 4778:so the between-group mean square value is 3699:If the experiment is balanced, all of the 184:properties degenerate much more severely. 6065: 5830:{\displaystyle {\sqrt {4.5/6+4.5/6}}=1.2} 530:is the total number of experimental units 5963: 5868:degrees of freedom in the numerator and 4724:is the number of data values per group. 1987:{\displaystyle \sum _{j}\sum _{i}y_{ij}} 120:(or approximately normally distributed). 5872:degrees of freedom in the denominator. 5496:The within-group degrees of freedom is 723:{\displaystyle \mu _{j}=\mu +\tau _{j}} 128:independent and identically distributed 14: 6281: 5938: 5864:cumulative distribution function with 5567:{\displaystyle f_{W}=a(n-1)=3(6-1)=15} 3900:Calculate the mean within each group: 2540: 6023: 5969: 2052:{\displaystyle \sum _{i}(y_{ij})^{2}} 616:is the grand mean of the observations 6089:-Test Under Non-Normal Situations". 6084: 6004: 154:Departures from population normality 5998: 3679: 416:is an index over experimental units 123:Variances of populations are equal. 96:. An extension of one-way ANOVA is 24: 6244: 6172:Design and Analysis of Experiments 5942:Statistical Methods for Psychology 805:{\displaystyle \varepsilon _{i,j}} 25: 6305: 741: 456:is an index over treatment groups 5891:Includes a one-way ANOVA example 5785:of each of these differences is 2548: 936: 876:may simply be an index into the 676:{\displaystyle \sum \tau _{j}=0} 523:{\displaystyle I=\sum _{j}I_{j}} 126:Responses for a given group are 62: 6217: 6188: 6170:Montgomery, Douglas C. (2001). 6163: 6066:Donaldson, Theodore S. (1966). 1929:{\displaystyle \sum _{i}y_{ij}} 130:normal random variables (not a 6145:Review of Educational Research 6136: 6111: 6105:10.1080/01621459.1971.10482371 6078: 6059: 6044: 6026:Review of Educational Research 6017: 5555: 5543: 5534: 5522: 5338: 5331: 5319: 5309: 5297: 5287: 5275: 5268: 5256: 5246: 5234: 5227: 5208: 5198: 5186: 5176: 5164: 5157: 5145: 5138: 5126: 5119: 5107: 5097: 5078: 5068: 5056: 5046: 5034: 5027: 5015: 5005: 4993: 4986: 4974: 4967: 4824:{\displaystyle MS_{B}=84/2=42} 4688: 4675: 4660: 4647: 4632: 4619: 4597: 4563: 4548: 4514: 4499: 4465: 3882:The null hypothesis, denoted H 3551: 3514: 3443: 3420: 3227: 3200: 3110: 3091: 2801: 2764: 2736: 2709: 2669: 2649: 2530:{\displaystyle \mu _{j}=m_{j}} 2471:Comparing model to summaries: 2111: 2094: 2040: 2023: 766: 747: 103: 13: 1: 449:{\displaystyle j=1,\dotsc ,J} 409:{\displaystyle i=1,\dotsc ,I} 50:technique requires a numeric 4591: 4572: 4542: 4523: 4493: 4474: 4356: 4336: 4316: 4287: 4260: 4245:Calculate the overall mean: 4130: 4025: 3920: 3689:means are used in the model. 1877:{\displaystyle I=\sum I_{j}} 945:Lists of Group Observations 216: 98:two-way analysis of variance 36:one-way analysis of variance 7: 5875: 4768:{\displaystyle f_{b}=3-1=2} 3669:{\displaystyle \sigma ^{2}} 934:is with groups in columns: 10: 6310: 3752: 3642:{\displaystyle MS_{Error}} 6157:10.3102/00346543060001091 6038:10.3102/00346543051004499 2428:{\displaystyle s_{J}^{2}} 2374:{\displaystyle s_{j}^{2}} 2318:{\displaystyle s_{1}^{2}} 1684:Grand Summary Statistics 1683: 1681:Group Summary Statistics 1680: 944: 638:{\displaystyle \tau _{j}} 5922: 5774:for this test is 0.002. 4424:is the number of groups. 587:{\displaystyle \mu _{j}} 5907:Repeated measures ANOVA 2395:{\displaystyle \dotso } 2339:{\displaystyle \dotso } 2228:{\displaystyle \dotso } 2177:{\displaystyle \dotso } 1809:{\displaystyle \dotso } 1760:{\displaystyle \dotso } 1631:{\displaystyle \dotso } 1494:{\displaystyle \vdots } 1465:{\displaystyle \vdots } 1048:{\displaystyle \dotso } 558:{\displaystyle y_{i,j}} 5939:Howell, David (2002). 5831: 5742: 5652: 5568: 5487: 4825: 4769: 4711: 4410: 4233: 3743: 3720: 3670: 3643: 3597: 3570: 3456: 3356: 3280: 3253: 3132: 3035: 2947: 2847: 2820: 2682: 2531: 2491: 2490:{\displaystyle \mu =m} 2460: 2429: 2396: 2375: 2340: 2319: 2281: 2257: 2229: 2208: 2178: 2157: 2124: 2053: 1988: 1930: 1878: 1838: 1810: 1789: 1761: 1740: 1712: 1663: 1662:{\displaystyle y_{ij}} 1632: 1611: 1610:{\displaystyle y_{i3}} 1580: 1579:{\displaystyle y_{i2}} 1549: 1548:{\displaystyle y_{i1}} 1518: 1495: 1466: 1443: 1442:{\displaystyle y_{3j}} 1410: 1409:{\displaystyle y_{33}} 1382: 1381:{\displaystyle y_{32}} 1354: 1353:{\displaystyle y_{31}} 1321: 1320:{\displaystyle y_{2j}} 1288: 1287:{\displaystyle y_{23}} 1260: 1259:{\displaystyle y_{22}} 1232: 1231:{\displaystyle y_{21}} 1199: 1198:{\displaystyle y_{1j}} 1166: 1165:{\displaystyle y_{13}} 1138: 1137:{\displaystyle y_{12}} 1110: 1109:{\displaystyle y_{11}} 1077: 1049: 1028: 1000: 972: 928: 927:{\displaystyle y_{ij}} 890: 870: 850: 830: 806: 773: 724: 677: 639: 610: 588: 559: 524: 479: 450: 410: 365: 287: 5832: 5777:After performing the 5743: 5653: 5569: 5488: 4826: 4770: 4712: 4411: 4234: 3744: 3721: 3719:{\displaystyle I_{j}} 3671: 3644: 3598: 3571: 3457: 3357: 3281: 3254: 3133: 3036: 2948: 2848: 2821: 2683: 2532: 2492: 2461: 2459:{\displaystyle s^{2}} 2430: 2397: 2376: 2341: 2320: 2282: 2258: 2256:{\displaystyle m_{J}} 2230: 2209: 2207:{\displaystyle m_{j}} 2179: 2158: 2156:{\displaystyle m_{1}} 2125: 2054: 1989: 1931: 1879: 1839: 1837:{\displaystyle I_{J}} 1811: 1790: 1788:{\displaystyle I_{j}} 1762: 1741: 1739:{\displaystyle I_{2}} 1713: 1711:{\displaystyle I_{1}} 1664: 1633: 1612: 1581: 1550: 1519: 1496: 1467: 1444: 1411: 1383: 1355: 1322: 1289: 1261: 1233: 1200: 1167: 1139: 1111: 1078: 1076:{\displaystyle I_{j}} 1050: 1029: 1027:{\displaystyle I_{3}} 1001: 999:{\displaystyle I_{2}} 973: 971:{\displaystyle I_{1}} 929: 891: 871: 851: 831: 807: 774: 725: 678: 640: 611: 589: 560: 525: 480: 478:{\displaystyle I_{j}} 451: 411: 366: 288: 67:central limit theorem 6289:Analysis of variance 5945:. Duxbury. pp.  5882:Analysis of variance 5789: 5675: 5584: 5503: 4943: 4785: 4734: 4438: 4252: 3907: 3733: 3703: 3653: 3611: 3581: 3467: 3374: 3291: 3264: 3143: 3051: 2958: 2858: 2831: 2693: 2599: 2555:Source of variation 2501: 2475: 2443: 2407: 2386: 2353: 2330: 2297: 2271: 2240: 2219: 2191: 2168: 2140: 2071: 2010: 1948: 1900: 1852: 1821: 1800: 1772: 1751: 1723: 1695: 1643: 1622: 1591: 1560: 1529: 1508: 1485: 1456: 1423: 1393: 1365: 1337: 1301: 1271: 1243: 1215: 1179: 1149: 1121: 1093: 1060: 1039: 1011: 983: 955: 908: 880: 860: 840: 820: 783: 735: 688: 651: 622: 609:{\displaystyle \mu } 600: 571: 536: 491: 462: 422: 382: 304: 232: 132:simple random sample 118:normally distributed 57:The ANOVA tests the 48:analysis of variance 3596:{\displaystyle I-1} 3507: 3279:{\displaystyle I-J} 3183: 3127: 2846:{\displaystyle J-1} 2564:Degrees of freedom 2551: 2541:The hypothesis test 2424: 2370: 2314: 939: 371:(the effects model) 174:normal distribution 6257:Statistical design 5827: 5738: 5648: 5564: 5483: 5481: 4821: 4765: 4707: 4705: 4406: 4280: 4229: 4227: 3886:, for the overall 3739: 3716: 3666: 3639: 3593: 3566: 3536: 3526: 3490: 3489: 3479: 3452: 3419: 3352: 3276: 3249: 3212: 3196: 3166: 3165: 3155: 3128: 3113: 3090: 3031: 2943: 2843: 2816: 2786: 2776: 2721: 2705: 2678: 2638: 2549: 2527: 2487: 2456: 2425: 2410: 2392: 2371: 2356: 2336: 2315: 2300: 2277: 2253: 2225: 2204: 2174: 2153: 2120: 2093: 2083: 2049: 2022: 1984: 1970: 1960: 1926: 1912: 1874: 1834: 1806: 1785: 1757: 1736: 1708: 1659: 1628: 1607: 1576: 1545: 1514: 1491: 1462: 1439: 1406: 1378: 1350: 1317: 1284: 1256: 1228: 1195: 1162: 1134: 1106: 1073: 1045: 1024: 996: 968: 937: 924: 886: 866: 846: 826: 802: 769: 720: 673: 635: 606: 584: 555: 520: 509: 475: 446: 406: 361: 283: 112:Response variable 6294:Statistical tests 6271:978-0-387-75965-4 6254:(18 April 2008). 6005:Kirk, RE (1995). 5819: 5758:(2,15) = 3.68 at 5716: 5475: 5358: 4934: 4933: 4594: 4575: 4545: 4526: 4496: 4477: 4398: 4371: 4359: 4339: 4319: 4302: 4290: 4271: 4263: 4217: 4156: 4133: 4112: 4051: 4028: 4007: 3946: 3923: 3878: 3877: 3742:{\displaystyle i} 3606: 3605: 3564: 3527: 3517: 3480: 3470: 3377: 3350: 3247: 3203: 3187: 3156: 3146: 3054: 3029: 2941: 2814: 2777: 2767: 2756: 2712: 2696: 2602: 2580:Computational SS 2469: 2468: 2280:{\displaystyle m} 2084: 2074: 2013: 1961: 1951: 1903: 1517:{\displaystyle i} 889:{\displaystyle j} 869:{\displaystyle i} 849:{\displaystyle i} 829:{\displaystyle i} 500: 293:(the means model) 180:is violated, the 16:(Redirected from 6301: 6275: 6238: 6237: 6231: 6221: 6215: 6214: 6202: 6192: 6186: 6185: 6167: 6161: 6160: 6140: 6134: 6133: 6131: 6130: 6121:. Archived from 6115: 6109: 6108: 6099:(336): 913–916. 6082: 6076: 6075: 6063: 6057: 6056: 6048: 6042: 6041: 6021: 6015: 6014: 6012: 6002: 5996: 5995: 5978:(3/4): 330–336. 5967: 5961: 5960: 5936: 5836: 5834: 5833: 5828: 5820: 5815: 5801: 5793: 5747: 5745: 5744: 5739: 5728: 5717: 5715: 5714: 5713: 5700: 5699: 5698: 5685: 5657: 5655: 5654: 5649: 5638: 5627: 5626: 5617: 5612: 5611: 5599: 5598: 5573: 5571: 5570: 5565: 5515: 5514: 5492: 5490: 5489: 5484: 5482: 5473: 5356: 5346: 5345: 5327: 5326: 5305: 5304: 5283: 5282: 5264: 5263: 5242: 5241: 5223: 5216: 5215: 5194: 5193: 5172: 5171: 5153: 5152: 5134: 5133: 5115: 5114: 5093: 5086: 5085: 5064: 5063: 5042: 5041: 5023: 5022: 5001: 5000: 4982: 4981: 4959: 4958: 4840: 4839: 4830: 4828: 4827: 4822: 4811: 4800: 4799: 4774: 4772: 4771: 4766: 4746: 4745: 4716: 4714: 4713: 4708: 4706: 4696: 4695: 4668: 4667: 4640: 4639: 4609: 4605: 4604: 4595: 4587: 4582: 4581: 4576: 4568: 4556: 4555: 4546: 4538: 4533: 4532: 4527: 4519: 4507: 4506: 4497: 4489: 4484: 4483: 4478: 4470: 4454: 4453: 4415: 4413: 4412: 4407: 4399: 4394: 4377: 4372: 4367: 4366: 4365: 4360: 4352: 4346: 4345: 4340: 4332: 4326: 4325: 4320: 4312: 4308: 4303: 4298: 4297: 4296: 4291: 4283: 4279: 4269: 4264: 4256: 4238: 4236: 4235: 4230: 4228: 4218: 4213: 4178: 4173: 4172: 4157: 4149: 4140: 4139: 4134: 4126: 4113: 4108: 4073: 4068: 4067: 4052: 4044: 4035: 4034: 4029: 4021: 4008: 4003: 3968: 3963: 3962: 3947: 3939: 3930: 3929: 3924: 3916: 3784: 3783: 3748: 3746: 3745: 3740: 3725: 3723: 3722: 3717: 3715: 3714: 3680:Analysis summary 3675: 3673: 3672: 3667: 3665: 3664: 3648: 3646: 3645: 3640: 3638: 3637: 3602: 3600: 3599: 3594: 3575: 3573: 3572: 3567: 3565: 3560: 3559: 3558: 3549: 3548: 3535: 3525: 3512: 3506: 3501: 3488: 3478: 3461: 3459: 3458: 3453: 3451: 3450: 3435: 3434: 3418: 3361: 3359: 3358: 3353: 3351: 3349: 3348: 3347: 3322: 3321: 3320: 3295: 3285: 3283: 3282: 3277: 3258: 3256: 3255: 3250: 3248: 3246: 3245: 3236: 3235: 3234: 3225: 3224: 3211: 3198: 3195: 3182: 3177: 3164: 3154: 3137: 3135: 3134: 3129: 3126: 3121: 3103: 3102: 3089: 3040: 3038: 3037: 3032: 3030: 3028: 3027: 3026: 3001: 3000: 2999: 2962: 2952: 2950: 2949: 2944: 2942: 2940: 2939: 2938: 2901: 2900: 2899: 2862: 2852: 2850: 2849: 2844: 2825: 2823: 2822: 2817: 2815: 2810: 2809: 2808: 2799: 2798: 2785: 2775: 2762: 2757: 2755: 2754: 2745: 2744: 2743: 2734: 2733: 2720: 2707: 2704: 2687: 2685: 2684: 2679: 2677: 2676: 2661: 2660: 2648: 2647: 2637: 2561:Sums of squares 2558:Sums of squares 2552: 2536: 2534: 2533: 2528: 2526: 2525: 2513: 2512: 2496: 2494: 2493: 2488: 2465: 2463: 2462: 2457: 2455: 2454: 2434: 2432: 2431: 2426: 2423: 2418: 2401: 2399: 2398: 2393: 2380: 2378: 2377: 2372: 2369: 2364: 2345: 2343: 2342: 2337: 2324: 2322: 2321: 2316: 2313: 2308: 2286: 2284: 2283: 2278: 2262: 2260: 2259: 2254: 2252: 2251: 2234: 2232: 2231: 2226: 2213: 2211: 2210: 2205: 2203: 2202: 2183: 2181: 2180: 2175: 2162: 2160: 2159: 2154: 2152: 2151: 2129: 2127: 2126: 2121: 2119: 2118: 2109: 2108: 2092: 2082: 2058: 2056: 2055: 2050: 2048: 2047: 2038: 2037: 2021: 1993: 1991: 1990: 1985: 1983: 1982: 1969: 1959: 1935: 1933: 1932: 1927: 1925: 1924: 1911: 1883: 1881: 1880: 1875: 1873: 1872: 1843: 1841: 1840: 1835: 1833: 1832: 1815: 1813: 1812: 1807: 1794: 1792: 1791: 1786: 1784: 1783: 1766: 1764: 1763: 1758: 1745: 1743: 1742: 1737: 1735: 1734: 1717: 1715: 1714: 1709: 1707: 1706: 1668: 1666: 1665: 1660: 1658: 1657: 1637: 1635: 1634: 1629: 1616: 1614: 1613: 1608: 1606: 1605: 1585: 1583: 1582: 1577: 1575: 1574: 1554: 1552: 1551: 1546: 1544: 1543: 1523: 1521: 1520: 1515: 1500: 1498: 1497: 1492: 1471: 1469: 1468: 1463: 1448: 1446: 1445: 1440: 1438: 1437: 1415: 1413: 1412: 1407: 1405: 1404: 1387: 1385: 1384: 1379: 1377: 1376: 1359: 1357: 1356: 1351: 1349: 1348: 1326: 1324: 1323: 1318: 1316: 1315: 1293: 1291: 1290: 1285: 1283: 1282: 1265: 1263: 1262: 1257: 1255: 1254: 1237: 1235: 1234: 1229: 1227: 1226: 1204: 1202: 1201: 1196: 1194: 1193: 1171: 1169: 1168: 1163: 1161: 1160: 1143: 1141: 1140: 1135: 1133: 1132: 1115: 1113: 1112: 1107: 1105: 1104: 1082: 1080: 1079: 1074: 1072: 1071: 1054: 1052: 1051: 1046: 1033: 1031: 1030: 1025: 1023: 1022: 1005: 1003: 1002: 997: 995: 994: 977: 975: 974: 969: 967: 966: 940: 933: 931: 930: 925: 923: 922: 895: 893: 892: 887: 875: 873: 872: 867: 855: 853: 852: 847: 835: 833: 832: 827: 811: 809: 808: 803: 801: 800: 778: 776: 775: 770: 765: 764: 729: 727: 726: 721: 719: 718: 700: 699: 682: 680: 679: 674: 666: 665: 644: 642: 641: 636: 634: 633: 615: 613: 612: 607: 593: 591: 590: 585: 583: 582: 565:are observations 564: 562: 561: 556: 554: 553: 529: 527: 526: 521: 519: 518: 508: 484: 482: 481: 476: 474: 473: 455: 453: 452: 447: 415: 413: 412: 407: 370: 368: 367: 362: 360: 359: 341: 340: 322: 321: 292: 290: 289: 284: 282: 281: 263: 262: 250: 249: 178:homoscedasticity 27:Statistical test 21: 6309: 6308: 6304: 6303: 6302: 6300: 6299: 6298: 6279: 6278: 6272: 6247: 6245:Further reading 6242: 6241: 6222: 6218: 6211: 6193: 6189: 6182: 6168: 6164: 6141: 6137: 6128: 6126: 6117: 6116: 6112: 6083: 6079: 6064: 6060: 6049: 6045: 6022: 6018: 6003: 5999: 5984:10.2307/2332579 5968: 5964: 5957: 5937: 5930: 5925: 5878: 5839:population mean 5811: 5797: 5792: 5790: 5787: 5786: 5762:= 0.05. Since 5757: 5724: 5709: 5705: 5701: 5694: 5690: 5686: 5684: 5676: 5673: 5672: 5634: 5622: 5618: 5613: 5607: 5603: 5594: 5590: 5585: 5582: 5581: 5510: 5506: 5504: 5501: 5500: 5480: 5479: 5471: 5465: 5464: 5354: 5348: 5347: 5341: 5337: 5322: 5318: 5300: 5296: 5278: 5274: 5259: 5255: 5237: 5233: 5221: 5220: 5211: 5207: 5189: 5185: 5167: 5163: 5148: 5144: 5129: 5125: 5110: 5106: 5091: 5090: 5081: 5077: 5059: 5055: 5037: 5033: 5018: 5014: 4996: 4992: 4977: 4973: 4963: 4954: 4950: 4946: 4944: 4941: 4940: 4864: 4856: 4848: 4807: 4795: 4791: 4786: 4783: 4782: 4741: 4737: 4735: 4732: 4731: 4704: 4703: 4691: 4687: 4663: 4659: 4635: 4631: 4607: 4606: 4600: 4596: 4586: 4577: 4567: 4566: 4551: 4547: 4537: 4528: 4518: 4517: 4502: 4498: 4488: 4479: 4469: 4468: 4455: 4449: 4445: 4441: 4439: 4436: 4435: 4378: 4376: 4361: 4351: 4350: 4341: 4331: 4330: 4321: 4311: 4310: 4309: 4307: 4292: 4282: 4281: 4275: 4270: 4268: 4255: 4253: 4250: 4249: 4226: 4225: 4179: 4177: 4165: 4161: 4148: 4141: 4135: 4125: 4124: 4121: 4120: 4074: 4072: 4060: 4056: 4043: 4036: 4030: 4020: 4019: 4016: 4015: 3969: 3967: 3955: 3951: 3938: 3931: 3925: 3915: 3914: 3910: 3908: 3905: 3904: 3885: 3808: 3800: 3792: 3778: 3771: 3764: 3755: 3734: 3731: 3730: 3710: 3706: 3704: 3701: 3700: 3682: 3676:of the model. 3660: 3656: 3654: 3651: 3650: 3621: 3617: 3612: 3609: 3608: 3582: 3579: 3578: 3554: 3550: 3541: 3537: 3531: 3521: 3513: 3511: 3502: 3494: 3484: 3474: 3468: 3465: 3464: 3446: 3442: 3427: 3423: 3381: 3375: 3372: 3371: 3331: 3327: 3323: 3304: 3300: 3296: 3294: 3292: 3289: 3288: 3265: 3262: 3261: 3241: 3237: 3230: 3226: 3217: 3213: 3207: 3199: 3197: 3191: 3178: 3170: 3160: 3150: 3144: 3141: 3140: 3122: 3117: 3098: 3094: 3058: 3052: 3049: 3048: 3010: 3006: 3002: 2971: 2967: 2963: 2961: 2959: 2956: 2955: 2910: 2906: 2902: 2871: 2867: 2863: 2861: 2859: 2856: 2855: 2832: 2829: 2828: 2804: 2800: 2791: 2787: 2781: 2771: 2763: 2761: 2750: 2746: 2739: 2735: 2726: 2722: 2716: 2708: 2706: 2700: 2694: 2691: 2690: 2672: 2668: 2656: 2652: 2643: 2639: 2606: 2600: 2597: 2596: 2577:Explanatory SS 2543: 2521: 2517: 2508: 2504: 2502: 2499: 2498: 2476: 2473: 2472: 2450: 2446: 2444: 2441: 2440: 2419: 2414: 2408: 2405: 2404: 2387: 2384: 2383: 2365: 2360: 2354: 2351: 2350: 2331: 2328: 2327: 2309: 2304: 2298: 2295: 2294: 2272: 2269: 2268: 2247: 2243: 2241: 2238: 2237: 2220: 2217: 2216: 2198: 2194: 2192: 2189: 2188: 2169: 2166: 2165: 2147: 2143: 2141: 2138: 2137: 2114: 2110: 2101: 2097: 2088: 2078: 2072: 2069: 2068: 2043: 2039: 2030: 2026: 2017: 2011: 2008: 2007: 1975: 1971: 1965: 1955: 1949: 1946: 1945: 1917: 1913: 1907: 1901: 1898: 1897: 1868: 1864: 1853: 1850: 1849: 1828: 1824: 1822: 1819: 1818: 1801: 1798: 1797: 1779: 1775: 1773: 1770: 1769: 1752: 1749: 1748: 1730: 1726: 1724: 1721: 1720: 1702: 1698: 1696: 1693: 1692: 1650: 1646: 1644: 1641: 1640: 1623: 1620: 1619: 1598: 1594: 1592: 1589: 1588: 1567: 1563: 1561: 1558: 1557: 1536: 1532: 1530: 1527: 1526: 1509: 1506: 1505: 1486: 1483: 1482: 1457: 1454: 1453: 1430: 1426: 1424: 1421: 1420: 1400: 1396: 1394: 1391: 1390: 1372: 1368: 1366: 1363: 1362: 1344: 1340: 1338: 1335: 1334: 1308: 1304: 1302: 1299: 1298: 1278: 1274: 1272: 1269: 1268: 1250: 1246: 1244: 1241: 1240: 1222: 1218: 1216: 1213: 1212: 1186: 1182: 1180: 1177: 1176: 1156: 1152: 1150: 1147: 1146: 1128: 1124: 1122: 1119: 1118: 1100: 1096: 1094: 1091: 1090: 1067: 1063: 1061: 1058: 1057: 1040: 1037: 1036: 1018: 1014: 1012: 1009: 1008: 990: 986: 984: 981: 980: 962: 958: 956: 953: 952: 915: 911: 909: 906: 905: 902: 881: 878: 877: 861: 858: 857: 841: 838: 837: 821: 818: 817: 790: 786: 784: 781: 780: 760: 756: 736: 733: 732: 714: 710: 695: 691: 689: 686: 685: 661: 657: 652: 649: 648: 629: 625: 623: 620: 619: 601: 598: 597: 578: 574: 572: 569: 568: 543: 539: 537: 534: 533: 514: 510: 504: 492: 489: 488: 469: 465: 463: 460: 459: 423: 420: 419: 383: 380: 379: 349: 345: 336: 332: 311: 307: 305: 302: 301: 271: 267: 258: 254: 239: 235: 233: 230: 229: 219: 214: 156: 106: 59:null hypothesis 28: 23: 22: 15: 12: 11: 5: 6307: 6297: 6296: 6291: 6277: 6276: 6270: 6252:George Casella 6246: 6243: 6240: 6239: 6216: 6209: 6187: 6180: 6162: 6135: 6110: 6077: 6058: 6043: 6032:(4): 499–507. 6016: 5997: 5962: 5955: 5927: 5926: 5924: 5921: 5920: 5919: 5917:Welch's t-test 5914: 5909: 5904: 5899: 5894: 5884: 5877: 5874: 5826: 5823: 5818: 5814: 5810: 5807: 5804: 5800: 5796: 5783:standard error 5755: 5749: 5748: 5737: 5734: 5731: 5727: 5723: 5720: 5712: 5708: 5704: 5697: 5693: 5689: 5683: 5680: 5659: 5658: 5647: 5644: 5641: 5637: 5633: 5630: 5625: 5621: 5616: 5610: 5606: 5602: 5597: 5593: 5589: 5575: 5574: 5563: 5560: 5557: 5554: 5551: 5548: 5545: 5542: 5539: 5536: 5533: 5530: 5527: 5524: 5521: 5518: 5513: 5509: 5494: 5493: 5478: 5472: 5470: 5467: 5466: 5463: 5460: 5457: 5454: 5451: 5448: 5445: 5442: 5439: 5436: 5433: 5430: 5427: 5424: 5421: 5418: 5415: 5412: 5409: 5406: 5403: 5400: 5397: 5394: 5391: 5388: 5385: 5382: 5379: 5376: 5373: 5370: 5367: 5364: 5361: 5355: 5353: 5350: 5349: 5344: 5340: 5336: 5333: 5330: 5325: 5321: 5317: 5314: 5311: 5308: 5303: 5299: 5295: 5292: 5289: 5286: 5281: 5277: 5273: 5270: 5267: 5262: 5258: 5254: 5251: 5248: 5245: 5240: 5236: 5232: 5229: 5226: 5224: 5222: 5219: 5214: 5210: 5206: 5203: 5200: 5197: 5192: 5188: 5184: 5181: 5178: 5175: 5170: 5166: 5162: 5159: 5156: 5151: 5147: 5143: 5140: 5137: 5132: 5128: 5124: 5121: 5118: 5113: 5109: 5105: 5102: 5099: 5096: 5094: 5092: 5089: 5084: 5080: 5076: 5073: 5070: 5067: 5062: 5058: 5054: 5051: 5048: 5045: 5040: 5036: 5032: 5029: 5026: 5021: 5017: 5013: 5010: 5007: 5004: 4999: 4995: 4991: 4988: 4985: 4980: 4976: 4972: 4969: 4966: 4964: 4962: 4957: 4953: 4949: 4948: 4932: 4931: 4928: 4925: 4921: 4920: 4917: 4914: 4910: 4909: 4906: 4903: 4899: 4898: 4895: 4892: 4888: 4887: 4884: 4881: 4877: 4876: 4873: 4870: 4866: 4865: 4862: 4857: 4854: 4849: 4846: 4832: 4831: 4820: 4817: 4814: 4810: 4806: 4803: 4798: 4794: 4790: 4776: 4775: 4764: 4761: 4758: 4755: 4752: 4749: 4744: 4740: 4718: 4717: 4702: 4699: 4694: 4690: 4686: 4683: 4680: 4677: 4674: 4671: 4666: 4662: 4658: 4655: 4652: 4649: 4646: 4643: 4638: 4634: 4630: 4627: 4624: 4621: 4618: 4615: 4612: 4610: 4608: 4603: 4599: 4593: 4590: 4585: 4580: 4574: 4571: 4565: 4562: 4559: 4554: 4550: 4544: 4541: 4536: 4531: 4525: 4522: 4516: 4513: 4510: 4505: 4501: 4495: 4492: 4487: 4482: 4476: 4473: 4467: 4464: 4461: 4458: 4456: 4452: 4448: 4444: 4443: 4426: 4425: 4417: 4416: 4405: 4402: 4397: 4393: 4390: 4387: 4384: 4381: 4375: 4370: 4364: 4358: 4355: 4349: 4344: 4338: 4335: 4329: 4324: 4318: 4315: 4306: 4301: 4295: 4289: 4286: 4278: 4274: 4267: 4262: 4259: 4240: 4239: 4224: 4221: 4216: 4212: 4209: 4206: 4203: 4200: 4197: 4194: 4191: 4188: 4185: 4182: 4176: 4171: 4168: 4164: 4160: 4155: 4152: 4147: 4144: 4142: 4138: 4132: 4129: 4123: 4122: 4119: 4116: 4111: 4107: 4104: 4101: 4098: 4095: 4092: 4089: 4086: 4083: 4080: 4077: 4071: 4066: 4063: 4059: 4055: 4050: 4047: 4042: 4039: 4037: 4033: 4027: 4024: 4018: 4017: 4014: 4011: 4006: 4002: 3999: 3996: 3993: 3990: 3987: 3984: 3981: 3978: 3975: 3972: 3966: 3961: 3958: 3954: 3950: 3945: 3942: 3937: 3934: 3932: 3928: 3922: 3919: 3913: 3912: 3883: 3880: 3879: 3876: 3875: 3872: 3869: 3865: 3864: 3861: 3858: 3854: 3853: 3850: 3847: 3843: 3842: 3839: 3836: 3832: 3831: 3828: 3825: 3821: 3820: 3817: 3814: 3810: 3809: 3806: 3801: 3798: 3793: 3790: 3776: 3769: 3762: 3754: 3751: 3738: 3713: 3709: 3697: 3696: 3693: 3690: 3681: 3678: 3663: 3659: 3636: 3633: 3630: 3627: 3624: 3620: 3616: 3604: 3603: 3592: 3589: 3586: 3576: 3563: 3557: 3553: 3547: 3544: 3540: 3534: 3530: 3524: 3520: 3516: 3510: 3505: 3500: 3497: 3493: 3487: 3483: 3477: 3473: 3462: 3449: 3445: 3441: 3438: 3433: 3430: 3426: 3422: 3417: 3414: 3411: 3408: 3405: 3402: 3399: 3396: 3393: 3390: 3387: 3384: 3380: 3369: 3365: 3364: 3362: 3346: 3343: 3340: 3337: 3334: 3330: 3326: 3319: 3316: 3313: 3310: 3307: 3303: 3299: 3286: 3275: 3272: 3269: 3259: 3244: 3240: 3233: 3229: 3223: 3220: 3216: 3210: 3206: 3202: 3194: 3190: 3186: 3181: 3176: 3173: 3169: 3163: 3159: 3153: 3149: 3138: 3125: 3120: 3116: 3112: 3109: 3106: 3101: 3097: 3093: 3088: 3085: 3082: 3079: 3076: 3073: 3070: 3067: 3064: 3061: 3057: 3046: 3042: 3041: 3025: 3022: 3019: 3016: 3013: 3009: 3005: 2998: 2995: 2992: 2989: 2986: 2983: 2980: 2977: 2974: 2970: 2966: 2953: 2937: 2934: 2931: 2928: 2925: 2922: 2919: 2916: 2913: 2909: 2905: 2898: 2895: 2892: 2889: 2886: 2883: 2880: 2877: 2874: 2870: 2866: 2853: 2842: 2839: 2836: 2826: 2813: 2807: 2803: 2797: 2794: 2790: 2784: 2780: 2774: 2770: 2766: 2760: 2753: 2749: 2742: 2738: 2732: 2729: 2725: 2719: 2715: 2711: 2703: 2699: 2688: 2675: 2671: 2667: 2664: 2659: 2655: 2651: 2646: 2642: 2636: 2633: 2630: 2627: 2624: 2621: 2618: 2615: 2612: 2609: 2605: 2594: 2590: 2589: 2587: 2584: 2581: 2578: 2575: 2572: 2571: 2568: 2565: 2562: 2559: 2556: 2542: 2539: 2524: 2520: 2516: 2511: 2507: 2486: 2483: 2480: 2467: 2466: 2453: 2449: 2438: 2435: 2422: 2417: 2413: 2402: 2391: 2381: 2368: 2363: 2359: 2348: 2346: 2335: 2325: 2312: 2307: 2303: 2292: 2288: 2287: 2276: 2266: 2263: 2250: 2246: 2235: 2224: 2214: 2201: 2197: 2186: 2184: 2173: 2163: 2150: 2146: 2135: 2131: 2130: 2117: 2113: 2107: 2104: 2100: 2096: 2091: 2087: 2081: 2077: 2066: 2063: 2061: 2059: 2046: 2042: 2036: 2033: 2029: 2025: 2020: 2016: 2005: 2003: 2001: 1999: 1995: 1994: 1981: 1978: 1974: 1968: 1964: 1958: 1954: 1943: 1940: 1938: 1936: 1923: 1920: 1916: 1910: 1906: 1895: 1893: 1891: 1889: 1885: 1884: 1871: 1867: 1863: 1860: 1857: 1847: 1844: 1831: 1827: 1816: 1805: 1795: 1782: 1778: 1767: 1756: 1746: 1733: 1729: 1718: 1705: 1701: 1690: 1686: 1685: 1682: 1679: 1676: 1675: 1673: 1670: 1669: 1656: 1653: 1649: 1638: 1627: 1617: 1604: 1601: 1597: 1586: 1573: 1570: 1566: 1555: 1542: 1539: 1535: 1524: 1513: 1502: 1501: 1490: 1480: 1478: 1476: 1474: 1472: 1461: 1450: 1449: 1436: 1433: 1429: 1418: 1416: 1403: 1399: 1388: 1375: 1371: 1360: 1347: 1343: 1332: 1328: 1327: 1314: 1311: 1307: 1296: 1294: 1281: 1277: 1266: 1253: 1249: 1238: 1225: 1221: 1210: 1206: 1205: 1192: 1189: 1185: 1174: 1172: 1159: 1155: 1144: 1131: 1127: 1116: 1103: 1099: 1088: 1084: 1083: 1070: 1066: 1055: 1044: 1034: 1021: 1017: 1006: 993: 989: 978: 965: 961: 950: 947: 946: 943: 921: 918: 914: 901: 898: 885: 865: 845: 825: 814: 813: 799: 796: 793: 789: 768: 763: 759: 755: 752: 749: 746: 743: 740: 730: 717: 713: 709: 706: 703: 698: 694: 683: 672: 669: 664: 660: 656: 646: 632: 628: 617: 605: 595: 581: 577: 566: 552: 549: 546: 542: 531: 517: 513: 507: 503: 499: 496: 486: 472: 468: 457: 445: 442: 439: 436: 433: 430: 427: 417: 405: 402: 399: 396: 393: 390: 387: 373: 372: 358: 355: 352: 348: 344: 339: 335: 331: 328: 325: 320: 317: 314: 310: 295: 294: 280: 277: 274: 270: 266: 261: 257: 253: 248: 245: 242: 238: 218: 215: 213: 210: 206:ANOVA on ranks 155: 152: 148:Welch's t-test 136: 135: 124: 121: 105: 102: 44:F distribution 26: 9: 6: 4: 3: 2: 6306: 6295: 6292: 6290: 6287: 6286: 6284: 6273: 6267: 6263: 6259: 6258: 6253: 6249: 6248: 6235: 6230: 6229: 6220: 6212: 6206: 6201: 6200: 6191: 6183: 6181:9780471316497 6177: 6173: 6166: 6158: 6154: 6151:(1): 91–126. 6150: 6146: 6139: 6125:on 2018-12-04 6124: 6120: 6114: 6106: 6102: 6098: 6094: 6093: 6088: 6081: 6073: 6069: 6062: 6054: 6047: 6039: 6035: 6031: 6027: 6020: 6011: 6010: 6001: 5993: 5989: 5985: 5981: 5977: 5973: 5966: 5958: 5956:0-534-37770-X 5952: 5948: 5944: 5943: 5935: 5933: 5928: 5918: 5915: 5913: 5912:Two-way ANOVA 5910: 5908: 5905: 5903: 5900: 5898: 5895: 5892: 5888: 5885: 5883: 5880: 5879: 5873: 5871: 5867: 5863: 5862:-distribution 5861: 5857:) denotes an 5856: 5852: 5848: 5843: 5840: 5824: 5821: 5816: 5812: 5808: 5805: 5802: 5798: 5794: 5784: 5780: 5775: 5773: 5769: 5765: 5761: 5754: 5735: 5732: 5729: 5725: 5721: 5718: 5710: 5706: 5702: 5695: 5691: 5687: 5681: 5678: 5671: 5670: 5669: 5667: 5663: 5645: 5642: 5639: 5635: 5631: 5628: 5623: 5619: 5614: 5608: 5604: 5600: 5595: 5591: 5587: 5580: 5579: 5578: 5561: 5558: 5552: 5549: 5546: 5540: 5537: 5531: 5528: 5525: 5519: 5516: 5511: 5507: 5499: 5498: 5497: 5476: 5468: 5461: 5458: 5455: 5452: 5449: 5446: 5443: 5440: 5437: 5434: 5431: 5428: 5425: 5422: 5419: 5416: 5413: 5410: 5407: 5404: 5401: 5398: 5395: 5392: 5389: 5386: 5383: 5380: 5377: 5374: 5371: 5368: 5365: 5362: 5359: 5351: 5342: 5334: 5328: 5323: 5315: 5312: 5306: 5301: 5293: 5290: 5284: 5279: 5271: 5265: 5260: 5252: 5249: 5243: 5238: 5230: 5225: 5217: 5212: 5204: 5201: 5195: 5190: 5182: 5179: 5173: 5168: 5160: 5154: 5149: 5141: 5135: 5130: 5122: 5116: 5111: 5103: 5100: 5095: 5087: 5082: 5074: 5071: 5065: 5060: 5052: 5049: 5043: 5038: 5030: 5024: 5019: 5011: 5008: 5002: 4997: 4989: 4983: 4978: 4970: 4965: 4960: 4955: 4951: 4939: 4938: 4937: 4929: 4926: 4923: 4922: 4918: 4915: 4912: 4911: 4907: 4904: 4901: 4900: 4896: 4893: 4890: 4889: 4885: 4882: 4879: 4878: 4874: 4871: 4868: 4867: 4861: 4858: 4853: 4850: 4845: 4842: 4841: 4838: 4836: 4818: 4815: 4812: 4808: 4804: 4801: 4796: 4792: 4788: 4781: 4780: 4779: 4762: 4759: 4756: 4753: 4750: 4747: 4742: 4738: 4730: 4729: 4728: 4725: 4723: 4700: 4697: 4692: 4684: 4681: 4678: 4672: 4669: 4664: 4656: 4653: 4650: 4644: 4641: 4636: 4628: 4625: 4622: 4616: 4613: 4611: 4601: 4588: 4583: 4578: 4569: 4560: 4557: 4552: 4539: 4534: 4529: 4520: 4511: 4508: 4503: 4490: 4485: 4480: 4471: 4462: 4459: 4457: 4450: 4446: 4434: 4433: 4432: 4430: 4423: 4419: 4418: 4403: 4400: 4395: 4391: 4388: 4385: 4382: 4379: 4373: 4368: 4362: 4353: 4347: 4342: 4333: 4327: 4322: 4313: 4304: 4299: 4293: 4284: 4276: 4272: 4265: 4257: 4248: 4247: 4246: 4244: 4222: 4219: 4214: 4210: 4207: 4204: 4201: 4198: 4195: 4192: 4189: 4186: 4183: 4180: 4174: 4169: 4166: 4162: 4158: 4153: 4150: 4145: 4143: 4136: 4127: 4117: 4114: 4109: 4105: 4102: 4099: 4096: 4093: 4090: 4087: 4084: 4081: 4078: 4075: 4069: 4064: 4061: 4057: 4053: 4048: 4045: 4040: 4038: 4031: 4022: 4012: 4009: 4004: 4000: 3997: 3994: 3991: 3988: 3985: 3982: 3979: 3976: 3973: 3970: 3964: 3959: 3956: 3952: 3948: 3943: 3940: 3935: 3933: 3926: 3917: 3903: 3902: 3901: 3899: 3895: 3893: 3889: 3873: 3870: 3867: 3866: 3862: 3859: 3856: 3855: 3851: 3848: 3845: 3844: 3840: 3837: 3834: 3833: 3829: 3826: 3823: 3822: 3818: 3815: 3812: 3811: 3805: 3802: 3797: 3794: 3789: 3786: 3785: 3782: 3781: 3780: 3775: 3768: 3761: 3750: 3736: 3727: 3711: 3707: 3694: 3691: 3687: 3686: 3685: 3677: 3661: 3657: 3634: 3631: 3628: 3625: 3622: 3618: 3614: 3590: 3587: 3584: 3577: 3561: 3555: 3545: 3542: 3538: 3532: 3528: 3522: 3518: 3508: 3503: 3498: 3495: 3491: 3485: 3481: 3475: 3471: 3463: 3447: 3439: 3436: 3431: 3428: 3424: 3415: 3412: 3409: 3406: 3403: 3400: 3397: 3394: 3391: 3388: 3385: 3382: 3378: 3370: 3367: 3366: 3363: 3344: 3341: 3338: 3335: 3332: 3328: 3324: 3317: 3314: 3311: 3308: 3305: 3301: 3297: 3287: 3273: 3270: 3267: 3260: 3242: 3238: 3231: 3221: 3218: 3214: 3208: 3204: 3192: 3188: 3184: 3179: 3174: 3171: 3167: 3161: 3157: 3151: 3147: 3139: 3123: 3118: 3114: 3107: 3104: 3099: 3095: 3086: 3083: 3080: 3077: 3074: 3071: 3068: 3065: 3062: 3059: 3055: 3047: 3044: 3043: 3023: 3020: 3017: 3014: 3011: 3007: 3003: 2996: 2993: 2990: 2987: 2984: 2981: 2978: 2975: 2972: 2968: 2964: 2954: 2935: 2932: 2929: 2926: 2923: 2920: 2917: 2914: 2911: 2907: 2903: 2896: 2893: 2890: 2887: 2884: 2881: 2878: 2875: 2872: 2868: 2864: 2854: 2840: 2837: 2834: 2827: 2811: 2805: 2795: 2792: 2788: 2782: 2778: 2772: 2768: 2758: 2751: 2747: 2740: 2730: 2727: 2723: 2717: 2713: 2701: 2697: 2689: 2673: 2665: 2662: 2657: 2653: 2644: 2640: 2634: 2631: 2628: 2625: 2622: 2619: 2616: 2613: 2610: 2607: 2603: 2595: 2592: 2591: 2588: 2585: 2582: 2579: 2576: 2574: 2573: 2569: 2566: 2563: 2560: 2557: 2554: 2553: 2547: 2538: 2522: 2518: 2514: 2509: 2505: 2484: 2481: 2478: 2451: 2447: 2439: 2436: 2420: 2415: 2411: 2403: 2389: 2382: 2366: 2361: 2357: 2349: 2347: 2333: 2326: 2310: 2305: 2301: 2293: 2290: 2289: 2274: 2267: 2264: 2248: 2244: 2236: 2222: 2215: 2199: 2195: 2187: 2185: 2171: 2164: 2148: 2144: 2136: 2133: 2132: 2115: 2105: 2102: 2098: 2089: 2085: 2079: 2075: 2067: 2064: 2062: 2060: 2044: 2034: 2031: 2027: 2018: 2014: 2006: 2004: 2002: 2000: 1997: 1996: 1979: 1976: 1972: 1966: 1962: 1956: 1952: 1944: 1941: 1939: 1937: 1921: 1918: 1914: 1908: 1904: 1896: 1894: 1892: 1890: 1887: 1886: 1869: 1865: 1861: 1858: 1855: 1848: 1845: 1829: 1825: 1817: 1803: 1796: 1780: 1776: 1768: 1754: 1747: 1731: 1727: 1719: 1703: 1699: 1691: 1688: 1687: 1678: 1677: 1674: 1672: 1671: 1654: 1651: 1647: 1639: 1625: 1618: 1602: 1599: 1595: 1587: 1571: 1568: 1564: 1556: 1540: 1537: 1533: 1525: 1511: 1504: 1503: 1488: 1481: 1479: 1477: 1475: 1473: 1459: 1452: 1451: 1434: 1431: 1427: 1419: 1417: 1401: 1397: 1389: 1373: 1369: 1361: 1345: 1341: 1333: 1330: 1329: 1312: 1309: 1305: 1297: 1295: 1279: 1275: 1267: 1251: 1247: 1239: 1223: 1219: 1211: 1208: 1207: 1190: 1187: 1183: 1175: 1173: 1157: 1153: 1145: 1129: 1125: 1117: 1101: 1097: 1089: 1086: 1085: 1068: 1064: 1056: 1042: 1035: 1019: 1015: 1007: 991: 987: 979: 963: 959: 951: 949: 948: 942: 941: 935: 919: 916: 912: 897: 883: 863: 843: 823: 797: 794: 791: 787: 761: 757: 753: 750: 744: 738: 731: 715: 711: 707: 704: 701: 696: 692: 684: 670: 667: 662: 658: 654: 647: 630: 626: 618: 603: 596: 579: 575: 567: 550: 547: 544: 540: 532: 515: 511: 505: 501: 497: 494: 487: 470: 466: 458: 443: 440: 437: 434: 431: 428: 425: 418: 403: 400: 397: 394: 391: 388: 385: 378: 377: 376: 356: 353: 350: 346: 342: 337: 333: 329: 326: 323: 318: 315: 312: 308: 300: 299: 298: 278: 275: 272: 268: 264: 259: 255: 251: 246: 243: 240: 236: 228: 227: 226: 223: 209: 207: 202: 198: 195: 191: 185: 183: 179: 175: 171: 167: 162: 159: 151: 150:can be used. 149: 145: 141: 133: 129: 125: 122: 119: 115: 111: 110: 109: 101: 99: 95: 92: =  91: 87: 83: 79: 75: 70: 68: 64: 60: 55: 53: 49: 45: 41: 40:one-way ANOVA 37: 33: 19: 18:One way anova 6256: 6227: 6219: 6198: 6190: 6171: 6165: 6148: 6144: 6138: 6127:. Retrieved 6123:the original 6113: 6096: 6090: 6086: 6080: 6071: 6061: 6052: 6046: 6029: 6025: 6019: 6008: 6000: 5975: 5971: 5965: 5941: 5890: 5869: 5865: 5859: 5854: 5850: 5846: 5844: 5778: 5776: 5763: 5759: 5752: 5750: 5665: 5661: 5660: 5576: 5495: 4935: 4859: 4851: 4843: 4834: 4833: 4777: 4726: 4721: 4719: 4428: 4427: 4421: 4242: 4241: 3897: 3896: 3891: 3887: 3881: 3803: 3795: 3787: 3773: 3766: 3759: 3756: 3728: 3698: 3683: 3607: 2567:Mean square 2544: 2470: 903: 815: 374: 296: 224: 220: 203: 199: 193: 189: 186: 182:Type I error 165: 163: 160: 157: 138:If data are 137: 107: 93: 89: 88:is given by 85: 71: 56: 39: 35: 29: 5897:Mixed model 5768:significant 2593:Treatments 168:-tests are 104:Assumptions 6283:Categories 6210:0716796570 6129:2016-09-22 5972:Biometrika 5668:-ratio is 1846:# Observed 1689:# Observed 896:-th list. 816:The index 32:statistics 5733:≈ 5719:≈ 5643:≈ 5550:− 5529:− 5313:− 5291:− 5250:− 5202:− 5180:− 5101:− 5072:− 5050:− 5009:− 4754:− 4682:− 4654:− 4626:− 4592:¯ 4584:− 4573:¯ 4543:¯ 4535:− 4524:¯ 4494:¯ 4486:− 4475:¯ 4357:¯ 4337:¯ 4317:¯ 4288:¯ 4273:∑ 4261:¯ 4159:∑ 4131:¯ 4054:∑ 4026:¯ 3949:∑ 3921:¯ 3658:σ 3588:− 3529:∑ 3519:∑ 3509:− 3482:∑ 3472:∑ 3437:− 3379:∑ 3271:− 3205:∑ 3189:∑ 3185:− 3158:∑ 3148:∑ 3105:− 3056:∑ 2838:− 2779:∑ 2769:∑ 2759:− 2714:∑ 2698:∑ 2663:− 2604:∑ 2506:μ 2479:μ 2390:… 2334:… 2223:… 2172:… 2086:∑ 2076:∑ 2015:∑ 1963:∑ 1953:∑ 1905:∑ 1862:∑ 1804:… 1755:… 1626:… 1489:⋮ 1460:⋮ 1043:… 788:ε 758:σ 742:∼ 739:ε 712:τ 705:μ 693:μ 659:τ 655:∑ 627:τ 604:μ 576:μ 502:∑ 438:… 398:… 347:ε 334:τ 327:μ 269:ε 256:μ 217:The model 114:residuals 63:see below 6262:Springer 5876:See also 4930:12−10=2 4919:7−10=−3 4908:8−10=−2 4897:11−10=1 4886:9−10=−1 4875:13−10=3 3894:-ratio: 2437:Variance 2291:Variance 80:and the 52:response 46:). This 5992:2332579 5947:324–325 5853:,  5772:p-value 5662:Step 5: 4927:8−9=−1 4924:4−5=−1 4916:6−9=−3 4913:3−5=−2 4905:11−9=2 4891:4−5=−1 4883:12−9=3 4872:8−9=−1 4835:Step 4: 4429:Step 3: 4243:Step 2: 3898:Step 1: 3753:Example 140:ordinal 134:(SRS)). 6268:  6207:  6178:  5990:  5953:  5887:F test 5474:  5357:  4902:5−5=0 4894:9−9=0 4880:8−5=3 4869:6−5=1 4720:where 4420:where 3772:, and 3368:Total 3045:Error 2065:Sum Sq 1998:Sum Sq 375:where 170:robust 82:F-test 78:t-test 74:t-test 5988:JSTOR 5923:Notes 5845:Note 6266:ISBN 6205:ISBN 6176:ISBN 5951:ISBN 5756:crit 5664:The 2497:and 2265:Mean 2134:Mean 116:are 38:(or 6234:761 6153:doi 6101:doi 6034:doi 5980:doi 5825:1.2 5809:4.5 5795:4.5 5736:9.3 5730:4.5 5646:4.5 3874:12 3849:11 3841:11 3827:12 3819:13 2586:MS 2583:DF 1942:Sum 1888:Sum 297:or 30:In 6285:: 6264:. 6260:. 6149:60 6147:. 6097:66 6095:. 6070:. 6030:51 6028:. 5986:. 5976:38 5974:. 5949:. 5931:^ 5722:42 5640:15 5632:68 5562:15 5477:68 4819:42 4805:84 4701:84 4679:10 4392:10 4223:10 4211:12 4193:11 4181:13 4094:11 4082:12 3871:8 3868:4 3863:7 3860:6 3857:3 3852:8 3846:5 3838:9 3835:4 3830:9 3824:8 3816:8 3813:6 3765:, 2570:F 1402:33 1374:32 1346:31 1280:23 1252:22 1224:21 1158:13 1130:12 1102:11 779:, 208:. 34:, 6274:. 6236:. 6213:. 6184:. 6159:. 6155:: 6132:. 6107:. 6103:: 6087:F 6074:. 6055:. 6040:. 6036:: 5994:. 5982:: 5959:. 5893:) 5889:( 5870:y 5866:x 5860:F 5855:y 5851:x 5849:( 5847:F 5822:= 5817:6 5813:/ 5806:+ 5803:6 5799:/ 5779:F 5764:F 5760:α 5753:F 5726:/ 5711:W 5707:S 5703:M 5696:B 5692:S 5688:M 5682:= 5679:F 5666:F 5636:/ 5629:= 5624:W 5620:f 5615:/ 5609:W 5605:S 5601:= 5596:W 5592:S 5588:M 5559:= 5556:) 5553:1 5547:6 5544:( 5541:3 5538:= 5535:) 5532:1 5526:n 5523:( 5520:a 5517:= 5512:W 5508:f 5469:= 5462:4 5459:+ 5456:9 5453:+ 5450:4 5447:+ 5444:1 5441:+ 5438:1 5435:+ 5432:9 5429:+ 5426:1 5423:+ 5420:9 5417:+ 5414:4 5411:+ 5408:0 5405:+ 5402:9 5399:+ 5396:1 5393:+ 5390:1 5387:+ 5384:4 5381:+ 5378:0 5375:+ 5372:1 5369:+ 5366:9 5363:+ 5360:1 5352:= 5343:2 5339:) 5335:2 5332:( 5329:+ 5324:2 5320:) 5316:3 5310:( 5307:+ 5302:2 5298:) 5294:2 5288:( 5285:+ 5280:2 5276:) 5272:1 5269:( 5266:+ 5261:2 5257:) 5253:1 5247:( 5244:+ 5239:2 5235:) 5231:3 5228:( 5218:+ 5213:2 5209:) 5205:1 5199:( 5196:+ 5191:2 5187:) 5183:3 5177:( 5174:+ 5169:2 5165:) 5161:2 5158:( 5155:+ 5150:2 5146:) 5142:0 5139:( 5136:+ 5131:2 5127:) 5123:3 5120:( 5117:+ 5112:2 5108:) 5104:1 5098:( 5088:+ 5083:2 5079:) 5075:1 5069:( 5066:+ 5061:2 5057:) 5053:2 5047:( 5044:+ 5039:2 5035:) 5031:0 5028:( 5025:+ 5020:2 5016:) 5012:1 5006:( 5003:+ 4998:2 4994:) 4990:3 4987:( 4984:+ 4979:2 4975:) 4971:1 4968:( 4961:= 4956:W 4952:S 4863:3 4860:a 4855:2 4852:a 4847:1 4844:a 4816:= 4813:2 4809:/ 4802:= 4797:B 4793:S 4789:M 4763:2 4760:= 4757:1 4751:3 4748:= 4743:b 4739:f 4722:n 4698:= 4693:2 4689:) 4685:8 4676:( 4673:6 4670:+ 4665:2 4661:) 4657:8 4651:9 4648:( 4645:6 4642:+ 4637:2 4633:) 4629:8 4623:5 4620:( 4617:6 4614:= 4602:2 4598:) 4589:Y 4579:3 4570:Y 4564:( 4561:n 4558:+ 4553:2 4549:) 4540:Y 4530:2 4521:Y 4515:( 4512:n 4509:+ 4504:2 4500:) 4491:Y 4481:1 4472:Y 4466:( 4463:n 4460:= 4451:B 4447:S 4422:a 4404:8 4401:= 4396:3 4389:+ 4386:9 4383:+ 4380:5 4374:= 4369:a 4363:3 4354:Y 4348:+ 4343:2 4334:Y 4328:+ 4323:1 4314:Y 4305:= 4300:a 4294:i 4285:Y 4277:i 4266:= 4258:Y 4220:= 4215:6 4208:+ 4205:7 4202:+ 4199:8 4196:+ 4190:+ 4187:9 4184:+ 4175:= 4170:i 4167:3 4163:Y 4154:6 4151:1 4146:= 4137:3 4128:Y 4118:9 4115:= 4110:6 4106:8 4103:+ 4100:6 4097:+ 4091:+ 4088:9 4085:+ 4079:+ 4076:8 4070:= 4065:i 4062:2 4058:Y 4049:6 4046:1 4041:= 4032:2 4023:Y 4013:5 4010:= 4005:6 4001:4 3998:+ 3995:3 3992:+ 3989:5 3986:+ 3983:4 3980:+ 3977:8 3974:+ 3971:6 3965:= 3960:i 3957:1 3953:Y 3944:6 3941:1 3936:= 3927:1 3918:Y 3892:F 3888:F 3884:0 3807:3 3804:a 3799:2 3796:a 3791:1 3788:a 3777:3 3774:a 3770:2 3767:a 3763:1 3760:a 3737:i 3712:j 3708:I 3662:2 3635:r 3632:o 3629:r 3626:r 3623:E 3619:S 3615:M 3591:1 3585:I 3562:I 3556:2 3552:) 3546:j 3543:i 3539:y 3533:i 3523:j 3515:( 3504:2 3499:j 3496:i 3492:y 3486:i 3476:j 3448:2 3444:) 3440:m 3432:j 3429:i 3425:y 3421:( 3416:s 3413:n 3410:o 3407:i 3404:t 3401:a 3398:v 3395:r 3392:e 3389:s 3386:b 3383:O 3345:r 3342:o 3339:r 3336:r 3333:E 3329:F 3325:D 3318:r 3315:o 3312:r 3309:r 3306:E 3302:S 3298:S 3274:J 3268:I 3243:j 3239:I 3232:2 3228:) 3222:j 3219:i 3215:y 3209:i 3201:( 3193:j 3180:2 3175:j 3172:i 3168:y 3162:i 3152:j 3124:2 3119:j 3115:s 3111:) 3108:1 3100:j 3096:I 3092:( 3087:s 3084:t 3081:n 3078:e 3075:m 3072:t 3069:a 3066:e 3063:r 3060:T 3024:r 3021:o 3018:r 3015:r 3012:E 3008:S 3004:M 2997:t 2994:n 2991:e 2988:m 2985:t 2982:a 2979:e 2976:r 2973:T 2969:S 2965:M 2936:t 2933:n 2930:e 2927:m 2924:t 2921:a 2918:e 2915:r 2912:T 2908:F 2904:D 2897:t 2894:n 2891:e 2888:m 2885:t 2882:a 2879:e 2876:r 2873:T 2869:S 2865:S 2841:1 2835:J 2812:I 2806:2 2802:) 2796:j 2793:i 2789:y 2783:i 2773:j 2765:( 2752:j 2748:I 2741:2 2737:) 2731:j 2728:i 2724:y 2718:i 2710:( 2702:j 2674:2 2670:) 2666:m 2658:j 2654:m 2650:( 2645:j 2641:I 2635:s 2632:t 2629:n 2626:e 2623:m 2620:t 2617:a 2614:e 2611:r 2608:T 2523:j 2519:m 2515:= 2510:j 2485:m 2482:= 2452:2 2448:s 2421:2 2416:J 2412:s 2367:2 2362:j 2358:s 2311:2 2306:1 2302:s 2275:m 2249:J 2245:m 2200:j 2196:m 2149:1 2145:m 2116:2 2112:) 2106:j 2103:i 2099:y 2095:( 2090:i 2080:j 2045:2 2041:) 2035:j 2032:i 2028:y 2024:( 2019:i 1980:j 1977:i 1973:y 1967:i 1957:j 1922:j 1919:i 1915:y 1909:i 1870:j 1866:I 1859:= 1856:I 1830:J 1826:I 1781:j 1777:I 1732:2 1728:I 1704:1 1700:I 1655:j 1652:i 1648:y 1603:3 1600:i 1596:y 1572:2 1569:i 1565:y 1541:1 1538:i 1534:y 1512:i 1435:j 1432:3 1428:y 1398:y 1370:y 1342:y 1331:3 1313:j 1310:2 1306:y 1276:y 1248:y 1220:y 1209:2 1191:j 1188:1 1184:y 1154:y 1126:y 1098:y 1087:1 1069:j 1065:I 1020:3 1016:I 992:2 988:I 964:1 960:I 920:j 917:i 913:y 884:j 864:i 844:i 824:i 798:j 795:, 792:i 767:) 762:2 754:, 751:0 748:( 745:N 716:j 708:+ 702:= 697:j 671:0 668:= 663:j 631:j 580:j 551:j 548:, 545:i 541:y 516:j 512:I 506:j 498:= 495:I 471:j 467:I 444:J 441:, 435:, 432:1 429:= 426:j 404:I 401:, 395:, 392:1 389:= 386:i 357:j 354:, 351:i 343:+ 338:j 330:+ 324:= 319:j 316:, 313:i 309:y 279:j 276:, 273:i 265:+ 260:j 252:= 247:j 244:, 241:i 237:y 194:F 190:F 166:F 94:t 90:F 86:t 20:)

Index

One way anova
statistics
F distribution
analysis of variance
response
null hypothesis
see below
central limit theorem
t-test
t-test
F-test
two-way analysis of variance
residuals
normally distributed
independent and identically distributed
simple random sample
ordinal
Kruskal–Wallis one-way analysis of variance
Welch's t-test
robust
normal distribution
homoscedasticity
Type I error
ANOVA on ranks
significant
p-value
standard error
population mean
F-distribution
Analysis of variance

Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.