Mathematics, 15.07.2021 20:00, bri9263

Construct a 90% confidence interval for the difference in population means. (Assume that the two populations from which the data came are normally distributed.) [Note: Formula (6.7.1) yields 17.2 degrees of freedom for these data.] (b) Why is it important that we assume that the two populations are normally distributed in part (a)

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Construct a 90% confidence interval for the difference in population means. (Assume that the two pop...

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