A Professor of Women's Studies Is Interested in Determining If

question 144

Multiple Choice

A professor of women's studies is interested in determining if stress affects the menstrual cycle. Ten women are randomly sampled for an experiment and randomly divided into two groups. One of the groups is subjected to high stress for two months while the other lives in a relatively stress-free environment. The professor measures the menstrual cycle (in days) of each woman during the second month. The following data are obtained. Assume you are evaluating H ₀ using the t test with a = .05 2 tail . The correct conclusion is _________.

• A) accept H ₀; stress does not affect the menstrual cycle
• B) retain H ₀; we cannot conclude that stress affects the menstrual cycle
• C) retain H ₀; stress affects the menstrual cycle
• D) reject H ₀; stress affects the menstrual cycle

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