Thirty samples of size 4 of the customer waiting time at a call center for a health

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Thirty samples of size 4 of the customer waiting time at a call center for a health insurance company resulted in an overall mean of 10.4 minutes and average range of 0.9 minutes. Compute the control limits for - and R-charts.

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OM operations management

ISBN: 978-1285451374

5th edition

Authors: David Alan Collier, James R. Evans

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Question Posted: Sep 17, 2015 03:01 AM

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Thirty samples of size 4 of the customer waiting time at a call center for a health

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From Appendix B With n 4 then A2 ...View the full answer

OM operations management

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