Question: The data for a random sample of 10 paired observations are shown in the following table and saved in the a. If you wish to

The data for a random sample of 10 paired observations are shown in the following table and saved in the

a. If you wish to test whether these data are sufficient to indicate that the mean for population 2 is larger than that for population 1, what are the appropriate null and alternative hypotheses? Define any symbols you use.
b. Conduct the test from part a, using Î± = .10. What is your decision?
c. Find a 90% confidence interval for µd. Interpret this interval.
d. What assumptions are necessary to ensure the validity of the preceding analysis?

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