A control chart for thickness of rolled-steel sheets is based on an upper control limit of .0520

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A control chart for thickness of rolled-steel sheets is based on an upper control limit of .0520 in. and a lower limit of .0475 in. The first ten values of the quality statistic (in this case X

, the sample mean thickness of n 5 sample sheets) are .0506,

.0493, .0502, .0501, .0512, .0498, .0485, .0500, .0505, and

.0483. Construct the initial part of the quality control chart, and comment on its appearance.

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Probability And Statistics For Engineering And The Sciences

ISBN: 9781111802325

7th Edition

Authors: Dave Ellis, Jay L Devore

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Question Posted: Sep 18, 2024 10:02 AM

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A control chart for thickness of rolled-steel sheets is based on an upper control limit of .0520

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Probability And Statistics For Engineering And The Sciences

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