Independent random samples from two normally distributed populations give the following results: If we do not assume
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Independent random samples from two normally distributed populations give the following results:
If we do not assume that the unknown population variances are equal, what is the 99% confidence interval for the difference between the population means?
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nx = 22 = = 2500 Sx Sy 20 y = 2100 250 100
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Related Book For
Statistics For Business And Economics
ISBN: 9781292315034
9th Global Edition
Authors: Paul Newbold, William Carlson, Betty Thorne
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