Samples of size n 6 are collected from a process every hour After 20 samples have been collected, we calculate x 20 0 and r d 2 1 4 (a) Calculate trial control limits for X and R charts (b) If s c 4 1 5, calculate trial control limits for X and S charts ...

a x chart UCL CL A 2 r 200 048335476 2171 CL 200 LCL ...

Samples of size n = 6 are collected from a process every hour. After 20 samples have

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Samples of size n = 6 are collected from a process every hour. After 20 samples have been collected, we calculate x̅̅ = 20.0 and r̅ / d₂ = 1.4.

(a) Calculate trial control limits for X and R charts.

(b) If s̅ / c₄ = 1.5, calculate trial control limits for X̅ and S charts.

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Applied Statistics And Probability For Engineers

ISBN: 9781118539712

6th Edition

Authors: Douglas C. Montgomery, George C. Runger

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Question Posted: Jul 07, 2018 01:37 PM

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