A researcher is interested in understanding whether the mean time to complete a four-year college degree varies

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A researcher is interested in understanding whether the mean time to complete a four-year college degree varies based on gender. She draws a sample of 12 college graduates—6 men and 6 women, and asks them how many years they took to finish their degree. Assuming that the data are drawn from a normal distribution, test the null hypothesis of no difference in mean years to degree competition between men and women.

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Elementary Statistics In Social Research

ISBN: 9780205845484

12th Edition

Authors: Jack A. Levin, James Alan Fox, David R. Forde

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