What is the purpose of a wilcoxon signed-rank test?, Ask an Expert

Statistics

a) What is the purpose of a Wilcoxon signed-rank test? Explain.

b) The Wilcoxon signed-rank test resembles which parametric test(s)? Explain.

c) What is the purpose of a Kruskal-Wallis test? Explain.

d) The Kruskal-Wallis test is analogous to which parametric test? Explain.

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