The American Journal of Agriculture Economics (January 2020) published a study that investigated the degree to which
Question:
The American Journal of Agriculture Economics (January 2020) published a study that investigated the degree to which US households waste food. The researchers used data from 3,304 households that participated in the US Department of Agriculture’s National Household Food Acquisition and Purchase Survey to measure the percentage of food acquired that is wasted per household. For this sample of 3,304 households, the mean amount of food wasted is 31.9% with a standard deviation of 15.8%.
a. Find a 95% confidence interval for m, the true mean amount of food wasted by all US households.
b. An economist claims that μ is less than 30%. Do you agree? Explain.
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a For confidence coefficient 95 05 and 2 052 025 From Table II Appendix D z 025 196 The co...View the full answer
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Related Book For 
Statistics For Business And Economics
ISBN: 9780136855354
14th Edition
Authors: James T. McClave, P. George Benson, Terry T Sincich
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