Suppose a Research Uses the Mann-Whitney Test to Determine If

question 42

Multiple Choice

Suppose a research uses the Mann-Whitney test to determine if there is a difference in the volume of text messages sent by a high school student living in a rural area versus an urban area during the month of December.Eight rural high school students and 9 urban high school students were included in the study.If, among all 17, the U statistic is 29, n₁=8 and n₂ = 9, the conclusion at α=0.05 would be __________

• A)reject the hypothesis that the number of text messages sent in December is identical
• B)do not reject the hypothesis that the number of text messages sent in December is identical.
• C)reject the hypothesis that the average number of text messages is identical.
• D)do not reject the hypothesis that the average number of text messages is identical.
• E)accept the hypothesis that the number of text messages sent in December identical.

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Definitions:

Breach Of Duty

Failure to meet the responsibilities or uphold the standards of care legally owed by one party to another.

Revoke The Authority

The act of formally withdrawing or cancelling a previously granted power or legal right, usually by the entity that granted it.

Principal May

An ambiguous term that could refer to the permissive actions or rights of a principal in legal, financial, or educational contexts; however, without more context, a specific definition cannot be provided. Likely a misinterpretation or incomplete term, hence treated as NO.

Delegation Of Authority

The process of transferring responsibility and authority from one party to another to complete specific activities or tasks.