An x chart is to be designed for a quality characteristic assumed to be normal with a
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Specifications on the quality characteristic are 800 ± 20. The control chart is to be designed so that if the fraction nonconforming is 1%, the probability of a point falling inside the control limits will be 0.90. The sample size is n = 4. What are the control limits and center line for the chart?
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Related Book For
Introduction to Statistical Quality Control
ISBN: 978-1118146811
7th edition
Authors: Douglas C Montgomery
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