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p.promelas-Mountain Coal Co.-8/2/00 <br />'ile: fh Transform: ARC SINE(SQUARE ROOT(Y)) <br />Shapiro - Wilk's test for normality <br />U = 0.259 <br />f = 0.937 <br />Critical W (P = 0.05) (n = 24) = 0.916 <br />`ritical W (P = 0.01) (n = 24) = 0.884 <br />nata PASS normality test at P=0.01 level. Continue analysis. <br />~.promelas-Mountain Coal Co.-8/2/00 <br />?ile: fh Transform: ARC SINE(SQUARE ROOT(Y)) <br />?iartley's test for homogeneity of variance <br />3artlett's test for homogeneity of variance <br />Phese two tests can not be performed because at least one group has <br />zero variance. <br />Data FAIL to meet hamogeneity of variance assumption. <br />Additional transformations are useless. <br />p.promelas-Mountain Coal Co.-8/2/00 <br />File: fh Transform: ARC SINE(SQUARE ROOT(Y)) <br />STEEL'S <br />-- <br />- <br />= MANY-ONE R <br />----- ANK TEST <br />=- <br />---- <br />- <br />= - Ho:Control<Treatment <br />-----=--------------=- <br />------- <br />----- <br />-- - <br />---- -- <br />- <br />--- <br />TRANSFORMED <br />RANK <br />GRIT. ------------ <br />GROUP IDENTIFICATION MEAN SUM VALUE df SIG <br />1 Control 1.047 <br />2 1:9 1.047 18.00 10.00 4.00 <br />3 25 1.098 20.00 10.00 4.00 <br />4 50 1.199 24.00 10.00 4.00 <br />5 75 1.149 22.00 10.00 4.00 <br />6 100 1:069 18.00 10:00 4.00 <br />Critical values use k = 5, are T tailed, and alpha = 0.05 <br />