The Wilcoxon rank sum test (like most of the nonparametric tests presented in your book) actually tests to determine whether the population distributions have:
A) identical locations
B) identical spreads (variances)
C) identical shapes
D) all of these
E) none of these

Question

Quizplus · Accepted Answer

The Answer of The Wilcoxon rank sum test (like most of the nonparametric tests presented in your book) actually tests to determine whether the population distributions have:
A) identical locations
B) identical spreads (variances)
C) identical shapes
D) all of these
E) none of these

The Wilcoxon Rank Sum Test (Like Most of the Nonparametric