The data in Tensile represent the tensile strengths of bolts of cloth. The data were collected in

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The data in Tensile represent the tensile strengths of bolts of cloth. The data were collected in subgroups of three bolts of cloth over a 25-hour period.
a. Construct a control chart for the range.
b. Construct a control chart for the mean.
c. 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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