A random sample of 10 economists produced the following forecasts for percentage unemployment rate in the next

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A random sample of 10 economists produced the following forecasts for percentage unemployment rate in the next year:

4.4 4.2 3.7 3.9 4.4 3.9 3.7 4.0 4.1 4.0

a. The population mean

b. The population variance

c. The variance of the sample mean

d. The population proportion of economists predicting unemployment rate of at least 4.0%

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Related Book For  book-img-for-question

Statistics For Business And Economics

ISBN: 9781292436845

10th Global Edition

Authors: Paul Newbold, William Carlson, Betty Thorne

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