Assume simple random sampling. Calculate the variance of the sample mean, 2 x , for each

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Assume simple random sampling. Calculate the variance of the sample mean, σ2x , for each of the following.
a. N = 1,300; n = 100; s = 15
b. N = 1,500; n = 200; s2 = 91
c. N = 3,000; n = 220; s2 = 150

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Statistics For Business And Economics

ISBN: 9781292315034

9th Global Edition

Authors: Paul Newbold, William Carlson, Betty Thorne

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