Laserfiche WebLink
d.magna-Mountain Coal Co.-8/2/00 <br />ile: cd Transform: ARC SINE(SQUARE ROOT(Y)) <br />Shapiro - Wilk's test for normality <br />---------------------------------- <br />D = 0.000 <br />f = 0.000 <br />Critical W (P = 0.05) (n = 24) = 0.916 <br />:ritical 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 />i.magna-Mountain Coal Co.-8/2/00 <br />File: cd Transform: ARC SINE(SQUARE ROOT(Y)) <br />Hartley's test for homogeneity of variance <br />eartlett's test for homogeneity of variance <br />---------------------------------------------------------------------=---=---- <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 />d.magna-Mountain Coal Co.-8/2/00 <br />File: cd Transform: ARC SINE(SQUARE ROOT(Y)) <br />STEEL'S <br />= MANY-ONE R ANK TEST - Ho:Control<Treatment <br />-- <br />=- <br />-- <br />- <br />- <br />-- <br />- <br />= <br />--- <br />------------- ----------- --------------- <br />TRANSFORMED --- <br />- <br />- <br />RANK -- <br />-- <br />-- <br />GRIT. -- <br />---- <br />-- <br />-- <br />GROUP IDENTIFICATION <br />-- <br />--- <br />- <br />- <br />----- <br />- <br />- MEAN <br />----------- SUM <br />------- VALUE <br />------ df SIG <br />----- =-- <br />-- <br />- <br />-- <br />-- <br />1 -- <br />-- <br />Control 1.047 <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 />5 75 1.047 18.00 10.00 4.00 <br />6 100 1.047 18.00 10.00 4.00 <br />Critical values use k = 5, are 1 tailed, and alpha = 0.05 <br />