A nonparametric method to compare two or more populations,when the samples are matched pairs and the data are either ranked or quantitative but not normal is the:
A) Wilcoxon signed rank test.
B) Wilcoxon rank sum test.
C) Friedman test.
D) Kruskal-Wallis test.
E) Sign test for comparing paired samples.

Question

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The Answer of A nonparametric method to compare two or more populations,when the samples are matched pairs and the data are either ranked or quantitative but not normal is the:
A) Wilcoxon signed rank test.
B) Wilcoxon rank sum test.
C) Friedman test.
D) Kruskal-Wallis test.
E) Sign test for comparing paired samples.

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