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A sample of 44 observations is selected from one population with a population standard deviation of 3.8. The sample mean is 101.0. A sample of

A sample of 44 observations is selected from one population with a population standard deviation of 3.8. The sample mean is 101.0. A sample of 56 observations is selected from a second population with a population standard deviation of 4.0. The sample mean is 99.4. Conduct the following test of hypothesis using the 0.10 significance level.

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