The Wilcoxon signed rank test is used for small samples when Normality cannot be established or is known not to hold for:
A)more than two groups.
B)two independent samples with unequal variances.
C)paired data.
D)All of the answer options are correct.

Question

Quizplus · Accepted Answer

The Wilcoxon signed rank test is used for paired data when Normality cannot be established or is known not to hold. It is not used for more than two groups or two independent samples with unequal variances. Therefore, option C is the best choice.

The Wilcoxon Signed Rank Test Is Used for Small Samples