A small town contains a total of 1,800 households. The town is divided into three districts, containing
Question:
a. Use an unbiased estimation procedure to estimate the mean winter energy bill for all households in this town.
b. Use an unbiased estimation procedure to find an estimate of the variance of the estimator of part a.
c. Find a 95% confidence interval for the population mean winter energy bill for households in this town.
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Related Book For
Statistics For Business And Economics
ISBN: 9780132745659
8th Edition
Authors: Paul Newbold, William Carlson, Betty Thorne
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