5. The sample means were calculated for 40 samples of size n55 for a process that was...
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5. The sample means were calculated for 40 samples of size n55 for a process that was judged to be in control.
The means of the 40 values and the standard deviation of the combined 200 measurements were x 5155.9 and s54.3, respectively. determine the upper and lower control limits for an x chart. Construct the control chart and explain how it can be used.
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Related Book For
Introduction To Probability And Statistics
ISBN: 9780357114469
15th Edition
Authors: William Mendenhall Iii , Robert Beaver , Barbara Beaver
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