A process is monitored for flaws by taking a sample of size 70 each hour and counting

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A process is monitored for flaws by taking a sample of size 70 each hour and counting the total number of flaws in the sample items. The total number of flaws over the last 50 samples is 1085.

a. Compute the center line and upper and lower 3σ control limits.

b. The tenth sample had five flaws. Was the process out of control at that time? Explain.

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Statistics For Engineers And Scientists

ISBN: 9780073401331

4th Edition

Authors: William Navidi

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Question Posted: Nov 14, 2018 10:30 AM

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A process is monitored for flaws by taking a sample of size 70 each hour and counting

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a The average number of defectives per sample is c 108550 217 The centerline is ...View the full answer

Statistics For Engineers And Scientists

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