The Wilcoxon rank sum test and the Mann-Whitney U test are the nonparametric counterparts of the:
A)one-sample z test
B)correlated groups t test
C)independent groups t test
D)none of these

Question

Quizplus · Accepted Answer

The Wilcoxon rank sum test and the Mann-Whitney U test are both used to compare two independent groups, making them the nonparametric counterparts of the independent groups t test. Therefore, the correct choice is C. They are not related to the one-sample z test or correlated groups t test.

The Wilcoxon Rank Sum Test and the Mann-Whitney U Test