The Wilcoxon Rank Sum Test for Comparing Two Independent Samples

question 23

Multiple Choice

The Wilcoxon rank sum test for comparing two independent samples tests which of the following hypotheses?

• A)H₀: median₁ = median₂ for two distributions having the same shape vs. H_a: median₁  median₂.
• B)H₀: the two distributions are the same vs, H_a: one distribution has values systematically larger than the other.
• C)Both options (a)and (b).
• D)None of the answer options is correct.