A random sample of five pairs of observations was selected, one observation from a population with mean

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A random sample of five pairs of observations was selected, one observation from a population with mean µ1, the other from a population with mean µ2. The data are shown in the following table and saved in the LM9_112 file.

A random sample of five pairs of observations was selected,

a. Test the null hypothesis H0: µd = 0 against Ha: µd = 0, where µd = µ1 - µ2. Use α = .05.
b. Form a 95% confidence interval for µd.
c. When are the procedures you used in parts a and b valid?

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Statistics

ISBN: 9780321755933

12th Edition

Authors: James T. McClave, Terry T Sincich

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