Compute lower and upper control limits for x-bar chart
A machine shop owner wishes to monitor the diameter of an engine boring operation where the piston bore should be 4.25 . He obtains 8 samples of 5 and records the following data. Calculate the lower and upper control limits for an X-bar chart."
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The piston bore should be 4.25 . He obtains 8 samples of 5 and records the following data. Calculate the lower and upper control limits for an X-bar chart."
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