Consider the x and R charts you established in Exercise 6.7 using n = 5. (a) Suppose
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(a) Suppose that you wished to continue charting this quality characteristics using x and R charts based on a sample size of n =3. What limits would be used on the x and R charts? for n new = 3
(b) What would be the impact of the decision you made in part (a) on the ability of the x chart to detect a 2ï³ï shift in the mean?
(c) Suppose you wished to continue charting this quality characteristic using x and R charts based on a sample size of n = 8. What limits would be used on the x and R charts?
(d) What is the impact of using n = 8 on the ability of the x chart to detect a 2ï³ shift in the mean?
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a b The control limits for n 5 are tighter 3129 3672 than ...View the full answer
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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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