Reconsider Exercise 15-3. Suppose that the variable is normally distributed with specifications at 220 ± 50. What
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Exercise 15-3
Control charts are to be constructed for samples of size n = 4, and xÌ and s are computed for each of 20 preliminary samples as follows:
Transcribed Image Text:
20 20 Σs-271.6 Σ-4460 i=1 i=1
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Assume a normal distribution with 223 and Probability of producing a part outs...View the full answer
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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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