A 99% confidence interval for My - A using the sample results x1 = 546, S, = 117, m, = 340 and X2 = 451,52 = 90, M2 = 200 Enter the exact answer for the best estimate and round your answers for the margin of error and the confidence interval to two decimal places. Best estimate = Margin of error = Confidence interval

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Use the t-distribution to find a confidence interval for a difference in means y, - M, given the relevant sample results. Give the best

estimate for 41 - M2, the margin of error, and the confidence interval. Assume the results come from random samples from

populations that are approximately normally distributed.

A 99% confidence interval for My - A using the sample results x1 = 546, S, = 117, m, = 340 and X2 = 451,52 = 90, M2 = 200

Enter the exact answer for the best estimate and round your answers for the margin of error and the confidence interval to two

decimal places.

Best estimate =

Margin of error =

Confidence interval

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