Question: A dependent random sample from two normally distributed populations gives the following results: n = 20;d= 14.8; sd = 4.0. a) Find the margin of

A dependent random sample from two normally distributed populations gives the following results: n = 20;d= 14.8;

sd = 4.0.

a) Find the margin of error for a 99% confidence interval for the difference between the means of the two populations.

b)Find the upper confidence limit of the 99% confidence interval for the difference between the means of the two populations.

c)) Find the lower confidence limit of the 99% confidence interval for the difference between the means of the two populations.

note: there is a line on top of the d for d=14.8

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