The data in the file P20_06.xlsx consist of 25 subsamples of 4 observations each on the lengths
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The data in the file P20_06.xlsx consist of 25 subsamples of 4 observations each on the lengths of particular bolts manufactured for use in large aircraft. The target length of these bolts is 37 centimeters.
a. Generate and interpret X and R charts for the given data. Does this production process appear to be in control?
b. Are there any other indications that the given process may be out of control? If so, explain.
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Subsample Value1 Value2 Value3 Value4 1 3699 3702 3704 3701 2 3701 3704 3703 3698 3 3698 3703 3703 3699 4 3700 3700 3700 3698 5 3698 3699 3699 3696 6 ...View the full answer
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Related Book For
Business Analytics Data Analysis and Decision Making
ISBN: 978-1305947542
6th edition
Authors: S. Christian Albright, Wayne L. Winston
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