A Wilcoxon rank sum test for comparing two populations involves two independent samples of sizes 5 and 7. The alternative hypothesis is stated as: The location of population 1 is different from the location of population 2. The appropriate critical value at the 5% significance level is:
A) 21
B) 29
C) 33
D) 35
E) 38

Question

Quizplus · Accepted Answer

The critical value for a Wilcoxon rank sum test with sample sizes of 5 and 7 at a 5% significance level (two-tailed) is 21.

A Wilcoxon Rank Sum Test for Comparing Two Populations Involves