The Wilcoxon Rank Sum Test Comparing Two Populations Tests the Hypothesis

question 7

Multiple Choice

The Wilcoxon Rank Sum test comparing two populations tests the hypothesis H₀: median₁ = median₂ when which of the following conditions holds?

• A)The standard deviations  ₁ =  ₂.
• B)The means  ₁ =  ₂.
• C)Both populations are symmetric.
• D)The shapes of both populations are the same.

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Definitions:

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