Which of the following nonparametric tests is used to examine the correlation between ranks?
A) Mann-Whitney
B) Wilcoxon rank
C) Spearman rank
D) Fisher's exact

Question

Quizplus · Accepted Answer

Spearman rank correlation coefficient is a nonparametric test used to examine the correlation between ranks. It is often used when examining the relationship between two ordinal variables or when the assumption of normality is not met for a Pearson correlation. The other options (A, B, and D) are also nonparametric tests, but they are not used specifically to examine rank correlation. Mann-Whitney and Wilcoxon rank tests are used to compare two independent groups or two related groups, respectively, while Fisher's exact test is used to compare proportions in contingency tables.

Which of the Following Nonparametric Tests Is Used to Examine