Question: Construct a 95% confidence interval estimate for the difference between two population means based on the following information: Population 1 Population 2 x _ 1

Construct a 95% confidence interval estimate for the difference between two population means based on the following information:

Population 1 Population 2 x _ 1  355 x _ 2  320 s1  34 s2  40 n1  50 n2  80

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