NonparametricExamples

NonparametricExamples - Kruskal-Wallis Test on Grade Method...

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Nonparametric Examples Mann-Whitney Test and CI: Bob, Jim N Median Bob 4 66.50 Jim 3 69.00 Point estimate for ETA1-ETA2 is -1.50 94.8 Percent CI for ETA1-ETA2 is (-9.00,15.00) W = 15.0 Test of ETA1 = ETA2 vs ETA1 not = ETA2 is significant at 0.8597 Mann-Whitney Test and CI: Ann, Jill N Median Ann 5 70.000 Jill 4 66.500 Point estimate for ETA1-ETA2 is 4.000 96.3 Percent CI for ETA1-ETA2 is (-0.001,8.999) W = 33.5 Test of ETA1 = ETA2 vs ETA1 > ETA2 is significant at 0.0250 The test is significant at 0.0236 (adjusted for ties) Mann-Whitney Test and CI: DrugA, DrugB N Median DrugA 6 1.945 DrugB 7 2.500 Point estimate for ETA1-ETA2 is -0.520 96.2 Percent CI for ETA1-ETA2 is (-1.260,-0.110) W = 25.0 Test of ETA1 = ETA2 vs ETA1 not = ETA2 is significant at 0.0184
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Kruskal-Wallis Test: Grade versus Method
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Unformatted text preview: Kruskal-Wallis Test on Grade Method N Median Ave Rank Z 1 6 76.00 10.6 -0.60 2 7 79.00 12.7 0.33 3 6 71.50 7.6 -1.86 4 4 88.50 19.5 2.43 Overall 23 12.0 H = 7.78 DF = 3 P = 0.051 H = 7.79 DF = 3 P = 0.051 (adjusted for ties) * NOTE * One or more small samples One-way ANOVA: Grade versus Method Source DF SS MS F P Method 3 712.6 237.5 3.77 0.028 Error 19 1196.6 63.0 Total 22 1909.2 S = 7.936 R-Sq = 37.32% R-Sq(adj) = 27.43% Individual 95% CIs For Mean Based on Pooled StDev Level N Mean StDev ------+---------+---------+---------+--- 1 6 75.667 8.165 (------*-----) 2 7 78.429 7.115 (-----*------) 3 6 70.833 9.579 (------*------) 4 4 87.750 5.795 (--------*-------) ------+---------+---------+---------+--- 70 80 90 100 Pooled StDev = 7.936...
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NonparametricExamples - Kruskal-Wallis Test on Grade Method...

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