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)Kruskal-Wallis test
D)Wilcoxon rank sum test
E)Spearman's test

Question

Quizplus · Accepted Answer

Spearman's test is a nonparametric correlation test that measures the strength and direction of monotonic (not necessarily linear) relationships between two variables. It is the best choice for determining the strength of the relationship between two variables. The other options listed are nonparametric tests, but they do not measure the strength of the relationship between two variables.

Which One of the Following Nonparametric Methods Can Be Used