Compute the Standardized Test Statistic $x ^ { 2 }$ To Test the Claim

question 139

Multiple Choice

Compute the standardized test statistic, $x ^ { 2 }$ to test the claim $\sigma ^ { 2 } < 50.4 \text { if } n = 28 , s ^ { 2 } = 31.5 , \text { and } \alpha = 0.10 \text {. }$

• A) 16.875
• B) 14.324
• C) 18.132
• D) 21.478

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Definitions:

Reactivity

Occurs when the presence of a researcher causes the observed people to conceal certain things or act artificially to impress the researcher.

Participant-As-Observer

A research methodology in which the researcher is actively involved in the community or group being studied to gain an insider's perspective.

Feminism

A movement and ideology advocating for equal rights, opportunities, and treatment for women, fighting against gender-based discrimination.

Scientific Research Methods

Systematic and empirical methods of investigation used to increase or refine knowledge in the sciences, involving critical analysis, experimentation, and observation.