Author Question: The Wilcoxon rank sum test (like most of the nonparametric tests presented in your book) actually ... (Read 71 times)

Metfan725 · **on:** Jul 24, 2018

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 2

The first step in a Wilcoxon rank sum test is to combine the data values in the two samples and assign a rank of 1 to the:
a. smallest observation
b. middle observation
c. largest observation
d. observation that occurs most frequently
e. observation that occurs least frequently