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Title: Pp SURVIVAL March 2009 Western Fuels 011 <br />File: PPSRV Transform: ARC SINE(SQUARE ROOT(Y)) <br />.,artley'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.