The first step in a Wilcoxon rank-sum test is to order the data and assign a rank of 1 to the:
A) largest observation.
B) smallest observation.
C) observation that occurs most frequently.
D) observation that occurs least frequently.

Question

Quizplus · Accepted Answer

The first step in a Wilcoxon rank-sum test is to combine the two samples and order them from smallest to largest. Then, the smallest observation is assigned a rank of 1.

The First Step in a Wilcoxon Rank-Sum Test Is to Order