Which one of the following nonparametric methods can be used to determine the strength of the relationship between two variables?
A)Wilcoxon signed rank test
B)Sign test
C)Kruskall-Wallis test
D)Wilcoxon rank sum test
E)Spearman's rank correlation test

Question

Quizplus · Accepted Answer

Spearman's rank correlation test is a nonparametric method used to determine the strength of the relationship between two variables. It measures the association between two variables based on their ranks, rather than their raw scores, and produces a correlation coefficient (rho) that ranges from -1 to 1. A rho of 1 indicates a perfect positive relationship, while a rho of -1 indicates a perfect negative relationship.

Which One of the Following Nonparametric Methods Can Be Used