A nonparametric method to compare two or more populations,when the samples are matched pairs and the data are either ordinal or interval but not normal,is the:
A)Wilcoxon signed rank sum test.
B)sign test.
C)Friedman test.
D)Kruskal-Wallis test.

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 ordinal or interval but not normal,is the:
A)Wilcoxon signed rank sum test.
B)sign test.
C)Friedman test.
D)Kruskal-Wallis test.

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