Find the upper and lower control limits for the x-bar


The width of a bronze bar is intended to be one-eighth of an inch (0.125 inches). Inspection samples contain five bars each. The average range of these samples is 0.01 inches. What are the upper and lower control limits for the X-bar and R-chart for this process, using 3-sigma limits?

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Operation Management: Find the upper and lower control limits for the x-bar
Reference No:- TGS089494

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