# Question: Assume that the populations are normally distributed a Test whether 1

Assume that the populations are normally distributed.

(a) Test whether µ1 ≠ µ2 at the a = 0.05 level of signiﬁcance for the given sample data.

(b) Construct a 95% conﬁdence interval about µ1 - µ2.

(a) Test whether µ1 ≠ µ2 at the a = 0.05 level of signiﬁcance for the given sample data.

(b) Construct a 95% conﬁdence interval about µ1 - µ2.

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