Question: The following table contains information on matched sample values whose differences are normally distributed. a. Construct a 95% confidence interval for the mean difference D

The following table contains information on matched sample values whose differences are normally distributed.

a. Construct a 95% confidence interval for the mean difference ÂµD .
b. Specify the competing hypotheses in order to test whether the mean difference differs from zero.
c. Using the confidence interval from part a, are you able to reject H0?Explain.

Number Sample 1 Sample 2 21 18 12 21 23 20 20 17 17 4 16 14 17 18

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