Laserfiche WebLink
c.dubia-Bear Coal Co.-12/18/97 <br />File: cd Transform: ARC SINE (SQUARE ROOT(Y)) <br />Shapiro - Wilk's test for normality <br />D = 0.043 <br />W = 0.860 <br />Critical W (P = 0.05) (n = 24) = 0.916 <br />Critical W (P = 0.01) (n = 24) = 0.884 <br />------------------------------------------------------------------------------ <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 />c.dubia-Bear Coal Co.-12/18/97 <br />File: cd Transform: ARC SINE(SQUARE ROOT(Y)) <br />Hartley's test for homogeneity of variance <br />Bartlett'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 />------------------------------------------------------------------------------ <br />c.dubia-Bear Coal Co.-12/18/97 <br />File: cd Transform: ARC SINE (SQUARE ROOT(Y)) <br /> STEEL'S MANY-ONE RANK TEST - Ho :Control< Treatment <br />----- --------------------- ----------------- <br />TRANSFORMED ---------- <br />RANK --------- <br />GRIT. -------------- <br />GROUP IDENTIFICATION MEAN SUM VALUE df SIG <br />----- <br />1 -------------------- <br />Control ----------- <br />1.047 ------- ------ ----- --- <br />2 1.7 1.077 22.00 10.00 4.00 <br />3 25 1.007 16.00 10.00 4.00 <br />4 50 1.107 26.00 10.00 4.00 <br />5 75 0.926 12.00 10.00 4.00 <br />6 100 0.524 10.00 10.00 4.00 <br />-------------------------- <br />Critical values use k = ----------------- <br />5, are 1 tailed, ---------- <br />and alpha --------- <br />= 0.05 -------------- <br />COMMER CIALTESTING B ENGINEERING CO, <br />F-466 ~~~ <br />Orimnnl Waf ermarketl Fnr Vnur Proler,Iwn <br />