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
Correct Answer:

Verified
Correct Answer:
Verified
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