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<br />D. magna-Mountain Coal Co. 017-4/6/01 <br />File: dm Transform: ARC SINE(SQUARE ROOT(Y)) <br />Shapiro - Wilk's test for normality <br />---------------------------------------- <br />D = 0.030 <br />1W = 0.631 <br />Critical W (P = 0.05) (n = 24) = 0.916 <br />'j Critical W (P = 0.01) (n = 24) = 0.884 <br />_. Data FAIL normality test. Try another transformation. <br />Warning - The first three homogeneity tests are sensitive to non-normal <br />data and should not be performed. <br />• D. magna-Mountain Coal Co. 017-4/6/01 <br />File: dm Transform: ARC SINE(SQUARE ROOT(Y)) <br />Hartley's test for homogeneity of variance <br />~Bartlett's test for homogeneity of variance <br />-,These two tests can not be performed because at least one group has <br />zero variance. <br />Data FAIL to meet homogeneity of variance assumption. <br />.~ Additional transformations are useless. <br />j <br />.~ <br />~'D. magna-Mountain Coal Co. 017-4/6/01 <br />File: dm Transform: ARC SINE(SQUARE ROOT(Y)) <br />_i <br />------- STEEL'S MP.NY-ONE <br />----- RANK TEST <br />- <br />-- <br />- - Ho:Control<Treatment <br />-------------------------- <br /> <br />'1 -------------- ------- <br />---- <br />- <br />TRANSFORMED ---- <br />RANK <br />GRIT. ---- <br />;GROUP <br />----- - IDENTIFICATION <br />----- MEAN SUM <br />- VALUE <br />---- <br />- df SIG <br />-- <br /> <br />1 -------------- <br />Control ----------- <br />1.047 ----- <br />- - --- --- <br />2 1.9 1.047 18.00 10.00 4.00 <br />.~ 3 25 1.047 18.00 10.00 4.00 <br />4 50 1.047 18.00 10.00 4.00 <br />' S 75 1.062 20.00 10.00 4.00 <br />6 <br />------- 100 <br />------------- <br />--- 1.022 <br />------------- <br />- 18.00 <br />----------- 10.00 <br />--------- 4.00 <br />----------- <br />-- <br />Criti --- <br />cal values use k = -- <br />5, are 1 tailed, and alpha = 0.05 - <br /> <br />