What Is the Null Hypothesis for a Mann-Whitney U Test

question 16

Multiple Choice

What is the null hypothesis for a Mann-Whitney U test?

• A) The number of scores above and below the median are equal.
• B) The ranks in two groups are equally dispersed.
• C) The mean differences between two groups are equal.
• D) The ranks in two groups are equal to 0.

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Definitions:

Commercial Substance

A concept in accounting that refers to a transaction causing a significant change in the cash flows or financial status of a company.

Invoice Price

The price at which a seller lists a product for sale to a buyer, often detailed in a purchase invoice.