Is housework hazardous to your health? A study in the Public Health Reports (July-Aug. 1992) compares the
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Is housework hazardous to your health? A study in the Public Health Reports (July-Aug. 1992) compares the life expectancies of 25-year-old white women in the labor force to those who are housewives. How large a sample would have to be taken from each group in order to be 95% confident that the estimate of difference in average life expectancies for the two groups is within one year of the true difference in average life expectancies?
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Related Book For 
Statistics For Business And Economics
ISBN: 9780130272935
8th Edition
Authors: James T. McClave, Terry Sincich, P. George Benson
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