[Objective: Conduct a Hypothesis Test on Two Independent Samples] a Researcher

question 40

Multiple Choice

[Objective: Conduct a hypothesis test on two independent samples] A researcher wants to know whether athletic women are more flexible than non-athletic women. For this experiment, a woman who exercised vigorously at least four times per week was considered "athletic". Flexibility is measured in inches on a sit & reach box. A researcher tested his claim using the following summary statistics:

Assume that all conditions for testing have been met.
; At the 1% significance level, state your decision regarding the null hypothesis and your conclusion about the original claim.

• A) Fail to reject the null hypothesis; there is not strong enough evidence to suggest that athletic women are more flexible, on average, than non-athletic women.
• B) Reject the null hypothesis; there is strong evidence to suggest that athletic women are more flexible, on average, than non-athletic women.
• C) Reject the null hypothesis; there is strong evidence to suggest that non-athletic women are more flexible, on average, than athletic women.
• D) Fail to reject the null hypothesis; there is strong evidence to suggest that non-athletic women are more flexible, on average, than athletic women.

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Definitions:

Alfred Dreyfus

A French Jewish artillery officer whose wrongful conviction for treason in 1894 sparked a significant political controversy, known as the Dreyfus Affair.

Treason

The act of betraying one's country, specifically by attempting to overthrow the government or harm or kill its sovereign.

French-Jewish

Pertaining to Jewish individuals or communities residing in France or having French citizenship.

Mayor

The elected head of a city, town, or other municipality, responsible for implementing and enforcing local laws and policies.