An EWMA control chart uses ï¬ = 0.4. How wide will the limits be on the Shewhart

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An EWMA control chart uses ï¬ = 0.4. How wide will the limits be on the Shewhart control chart, expressed as a multiple of the width of the steady-state EWMA limits?
For EWMA, steady-state limits are

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Introduction to Statistical Quality Control

ISBN: 978-1118146811

7th edition

Authors: Douglas C Montgomery

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Question Posted: Nov 06, 2015 03:26 AM

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An EWMA control chart uses ï¬ = 0.4. How wide will the limits be on the Shewhart

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tlơJ/ (2-2)

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Introduction to Statistical Quality Control

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