Control charts are to be constructed for samples of size n = 4, and xÌ and s
Question:
(a) Calculate trial control limits for XÌ and S charts.
(b) Assuming the process is in control, estimate the process mean and standard deviation.
Transcribed Image Text:
20 20 Σs-271.6 Σ-4460 i=1 i=1
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Related Book For
Applied Statistics And Probability For Engineers
ISBN: 9781118539712
6th Edition
Authors: Douglas C. Montgomery, George C. Runger
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