A Researcher Wants to Determine Whether the Means of Two

question 68

Multiple Choice

A researcher wants to determine whether the means of two independent populations are the same.She has two independent random samples,one from each population,shown in the following table: She uses the Mann-Whitney U test and a significance level of 0.05.Then μ_U is ______.

• A) 4.5
• B) 9
• C) 31.5
• D) 40
• E) 63

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Definitions:

Solution-building

A problem-solving approach focusing on identifying practical and effective solutions rather than dwelling on the problem itself.

Problem-solving

A mental process that involves discovering, analyzing, and solving problems to reach a goal or answer.

Problem-focused

A coping strategy that addresses the root cause of a stressor or problem in order to mitigate or solve it.

Solution-focused School Counseling

An approach in educational settings that emphasizes building solutions rather than solving problems, focusing on students' strengths and possibilities.