Formulate the Indicated Conclusion in Nontechnical Terms $\sigma = 14.7$ Assuming That a Hypothesis Test of the Claim Has

question 21

Multiple Choice

Formulate the indicated conclusion in nontechnical terms. Be sure to address the original claim.
-The principal of a middle school claims that test scores of the seventh-graders at his school vary less than the test scores of the seventh-graders at a neighboring school, which have variation described by $\sigma = 14.7$ . Assuming that a hypothesis test of the claim has been conducted and that the conclusion is to reject the null hypothesis, state the conclusion in nontechnical terms.

• A) There is sufficient evidence to support the claim that the standard deviation is less than 14.7.
• B) There is not sufficient evidence to support the claim that the standard deviation is less than 14.7.
• C) There is not sufficient evidence to support the claim that the standard deviation is greater than 14.7.
• D) There is sufficient evidence to support the claim that the standard deviation is greater than 14.7.

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Definitions:

Embodied Behavior

Theory that the movements we make and the movements we perceive in others are central to communication with others.

Mental Flexibility

The cognitive ability to adjust one's thinking or strategy in response to new information, demands, or changed conditions.

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The process through which individuals learn the values, norms, customs, knowledge, and skills that guide their behavior in their society.

Fetal Alcohol Spectrum Disorder (FASD)

Range of physical and intellectual impairments observed in some children born to alcoholic parents.