Which of the following nonparametric tests is used to compare two independent samples?
A)Mann-Whitney U
B)Wilcoxon rank
C)Spearman rank
D)Kolmogorov-Smirnov

Question

Quizplus · Accepted Answer

The Mann-Whitney U test is commonly used to compare two independent samples of ordinal or continuous data when the assumption of normality is not met. Wilcoxon rank is used for related (paired) samples, Spearman rank is used to measure the correlation between two variables, and Kolmogorov-Smirnov is used to test the goodness of fit of a distribution.

Which of the Following Nonparametric Tests Is Used to Compare