A manufacturing company makes brackets for bookshelves. The brackets provide critical structural support and must have a

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A manufacturing company makes brackets for bookshelves. The brackets provide critical structural support and must have a 90-degree bend ± 1 degree. Measurements of the bend of the brackets were taken at 18 different times. Five brackets were sampled at each time. The data are stored in Angle.
a. Construct control charts for the range and the mean.
b. Is the process in control?
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Basic Business Statistics Concepts And Applications

ISBN: 9780132168380

12th Edition

Authors: Mark L. Berenson, David M. Levine, Timothy C. Krehbiel

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