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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Related Book For
Business Statistics A First Course
ISBN: 9780321979018
7th Edition
Authors: David M. Levine, Kathryn A. Szabat, David F. Stephan
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