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

question 54

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 sum of the ranks W₁ produced from the rural high school students is 72, the U₁ statistic is __________

• A)29
• B)45
• C)90
• D)36
• E)43

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Definitions:

Source

The point of origin of a persuasive communication.

Trustworthiness

The quality of being reliable, honest, and deserving of trust.

Message

Communication from a source directed to an audience.

Cognitive Dissonance

A psychological phenomenon where an individual experiences discomfort due to conflicting beliefs, attitudes, or behaviors, prompting efforts to reduce the discord.