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A Wilcoxon Rank Sum Test for Comparing Two Populations Involves

Question 85

Multiple Choice

A Wilcoxon rank sum test for comparing two populations involves two independent samples of sizes 15 and 20.The un-standardized test statistic (that is the rank sum) is T = 225.The value of the standardized test statistic z is:


A) 6) 0
B) 15
C) 6) 43
D) -1.5

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