Question 5 of 13 < > -/ 4 View Policies Current Attempt in Progress Use the t-distribution to find a confidence interval for a difference in means u - H2 given the relevant sample results. Give the best estimate for u, - Hz, 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 u, - 42 using the sample results I = 10.0, sı = 2.2, n = 50 and = 13.0, s2 = 5.8, n2 = 50 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 = i Margin of error = i Confidence interval: i to i II

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Use the t-distribution to find a confidence interval for a difference in means u - Hz given the relevant sample results. Give the best
estimate for u, - Hz, 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 u, - 42 using the sample results I = 10.0, sı = 2.2, n = 50 and = 13.0, s2 = 5.8, n2 = 50
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 = i
Margin of error = i
Confidence interval: i
to
i
II
Transcribed Image Text:Question 5 of 13 < > -/ 4 View Policies Current Attempt in Progress Use the t-distribution to find a confidence interval for a difference in means u - Hz given the relevant sample results. Give the best estimate for u, - Hz, 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 u, - 42 using the sample results I = 10.0, sı = 2.2, n = 50 and = 13.0, s2 = 5.8, n2 = 50 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 = i Margin of error = i Confidence interval: i to i II
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