Question: For the following independent random samples, use the z-test and the 0.01 level of significance in testing H0: μ1 = μ2 versus H1: μ1 μ2.

For the following independent random samples, use the z-test and the 0.01 level of significance in testing H0: μ1 = μ2 versus H1: μ1 ‰  μ2.

For the following independent random samples, use the z-test and

-33.5 1-6.4 -31 -,-27.6 s, _ 2.7 n2-30

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