Question: A paired difference experiment produced the following data: a. Determine the values of t for which the null hypothesis 1 - 2 = 0 would

A paired difference experiment produced the following data:

a. Determine the values of t for which the null hypothesis µ1 - µ2 = 0 would be rejected in favor of the alternative hypothesis µ1 - µ2 b. Conduct the paired difference test described in part a. Draw the appropriate conclusions.
c. What assumptions are necessary so that the paired difference test will be valid?
d. Find a 90% confidence interval for the mean difference µd.
e. Which of the two inferential procedures, the confidence interval of part d or the test of hypothesis of part b provides more information about the difference between the population means?

n,-16-1-143 --= 150 xd--7 S-64

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