Test Whether He Given Claim Is Supported or Not Supported

question 42

Multiple Choice

Test whether he given claim is supported or not supported using a 0.05 significance level. Assume that the sample has been randomly selected from a population with a normal distribution.
-Researchers have claimed that the average number of headaches during a semester of Statistics is 18. Statistics professors dispute this claim vehemently. They believe the average is much higher. They sample 16 students and find the sample mean is 20 and the sample standard deviation is 3.0. Use a 0.05 significance level to test whether the claim that the average number of headaches is greater than 18 is supported or not supported.

• A)not supported
• B)supported

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Definitions:

Primary Factors

The main or most important elements or conditions that contribute to a certain result or situation.

Mechanistic Organizations

Highly structured and formal organizations with clear hierarchies, roles, and rigid procedures, often seen in stable environments.

Organic Organizations

Describes organizations that are flexible, adaptable, and emphasize horizontal communication; they typically thrive in dynamic environments.

Impersonality

The quality of being devoid of personal feelings or characteristics, often leading to a detached or formal atmosphere.