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:

Prime Objective

The main goal or target an individual, group, or organization aims to achieve.

Domestic Industries

Sectors of a country's economy that produce goods or services primarily for consumption within the same nation.

Clustering

Clustering is the grouping or gathering of objects, data points, or individuals based on similarities or common characteristics.

Regional Information

Data or details that pertain to a specific geographical area or region.