Solution :
=> The 99% confidence interval of the true difference between the population means is (−5.078,61.078)
Explanation :-
Given that n1 = 18, x1-bar = 164 , s1 = 18
n2 = 10 , x2-bar = 136 , s2 = 32
Given two independent random samples with the following results: ni = 18 12 = 10 y...
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