A Nonparametric Method to Compare More Than Two Populations,when the Samples

question 77

Multiple Choice

A nonparametric method to compare more than two populations,when the samples are independent and the data are either ranked or quantitative but not normal,is:

• A) Kruskal-Wallis test.
• B) Friedman test.
• C) Wilcoxon rank sum test.
• D) Wilcoxon signed rank test.
• E) Sign test for comparing paired samples.

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