Which of the following distribution-free tests would not be an example of a nonparametric method?
A) Sign test
B) t test
C) Kruskal-Wallis test
D) Wilcoxon Signed-rank test

Question

Quizplus · Accepted Answer

The t test is a parametric method as it assumes that the data come from a normal distribution. The other three tests (Sign test, Kruskal-Wallis test, and Wilcoxon Signed-rank test) are all examples of nonparametric methods as they make no assumptions about the underlying distribution of the data.

Which of the Following Distribution-Free Tests Would Not Be an Example