To Use the Wilcoxon Rank Sum Test as a Test

question 3

Multiple Choice

To use the Wilcoxon rank sum test as a test for location, you must assume that

• A) the obtained data are either ranks or numerical measurements that will be converted to combined ranks.
• B) both samples are randomly and independently drawn from their respective populations.
• C) both underlying populations from which the samples were drawn are equivalent in shape and dispersion.
• D) All the above.

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