A company that does manufacturing work has one facility that is automated and one that has manual functions. In order to

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A Company That Does Manufacturing Work Has One Facility That Is Automated And One That Has Manual Functions In Order To 1 (21.67 KiB) Viewed 77 times

A company that does manufacturing work has one facility that is automated and one that has manual functions. In order to estimate the difference in mean time it takes to complete a part on the two lines, the company has requested that a random sample of 14 parts at each facility be tracked from start to finish and the time required bo recorded. The sample data to the right were recorded. Assuming that the populations are normally distributed with equal population variances, construct and interpret a 99% confidence interval estimate Automated X 579 hours 51 54 hours Manual X-681 hours 5 = 4.1 hours The 99% confidence interval for the difference between the two population means for the length of time it takes to make a part from start to finish is (Round to two decimal places as needed)