Question: Assume that the differences are normally distributed a Determine di
Assume that the differences are normally distributed.
(a) Determine di = Xi - Yi for each pair of data.
(b) Compute d-bar and sd.
(c) Test if µd < 0 at the α = 0.05 level of signiﬁcance.
(d) Compute a 95% conﬁdence interval about the population mean difference µd.
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