The Wilcoxon Rank Sum Test (Like Most of the Nonparametric

Multiple Choice

The Wilcoxon rank sum test (like most of the nonparametric tests presented in your text) is used to determine whether the population distributions have certain identical characteristics. Which of these properties would be included in that list of characteristics?

A) locations
B) spreads (variances)
C) shapes
D) locations, spreads, and shapes