Question

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. 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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  • CreatedMay 20, 2015
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