Formulate the Indicated Conclusion in Nontechnical Terms

question 85

Multiple Choice

Formulate the indicated conclusion in nontechnical terms. Be sure to address the original claim.
-Carter Motor Company claims that its new sedan, the Libra, will average better than 30 miles per gallon in the city. 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 not sufficient evidence to support the claim that the mean is greater than 30 miles per gallon.
• B) There is sufficient evidence to support the claim that the mean is less than 30 miles per gallon.
• C) There is not sufficient evidence to support the claim that the mean is less than 30 miles per gallon.
• D) There is sufficient evidence to support the claim that the mean is greater than 30 miles per gallon.

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Definitions:

Group Comparison Study

Study that compares two or more distinct groups on a variable of interest.

Zero Correlation

A statistical term indicating no relationship between two variables, meaning changes in one variable do not predict changes in the other.

Heel Height

The measurement from the bottom of the shoe sole to the bottom of the heel, indicating the elevation provided by the heel of a shoe.

Biased

Showing an unfair tendency to believe that some people, ideas, etc., are better than others, which can affect judgment and decision-making.