8.1 A dependent random sample from two normally distributed populations gives the following results: n = 11

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8.1 A dependent random sample from two normally distributed populations gives the following results:

n = 11 d = 28.5 sd = 3.3

a. Find the 98% confidence interval for the difference between the means of the two populations.

b. Find the margin of error for a 98% confidence interval for the difference between the means of the two populations.

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