Eleven samples of size 3 were taken in an effort to monitor the voltage held by a
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Eleven samples of size 3 were taken in an effort to monitor the voltage held by a regulator. The data are in the file P20_44.xlsx. A regulator meets specifications if it can hold between 40 and 60 volts.
a. Construct X̅ and R charts for the data. Is the process in control?
b. Estimate C p and the probability of meeting specifications.
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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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