A Wilcoxon Rank Sum Test for Comparing Two Populations Involves

question 61

Multiple Choice

A Wilcoxon rank sum test for comparing two populations involves two independent samples of sizes 15 and 20. The nonstandardized test statistic (that is, the rank sum) is T = 210. Under these circumstances, what is the value of the standardized test statistic z?

• A) 14.0
• B) 10.5
• C) 6.0
• D) -2.0

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