A researcher is interested in investigating two dependent non-normally distributed variables. Which of the following should be used for this application?
A) t-test
B) Wilcoxon rank sum test
C) Wilcoxon signed-rank test
D) Kruskal-Wallis test

Question

Quizplus · Accepted Answer

Since the variables are dependent and non-normally distributed, the Wilcoxon signed-rank test would be the appropriate choice. The t-test assumes normality and the Wilcoxon rank sum test and Kruskal-Wallis test are for independent samples.

A Researcher Is Interested in Investigating Two Dependent Non-Normally Distributed