Question: Control charts for X-bar and R, using a subgroup size of 5, are to be applied to control the critical dimension of a certain manufacturing

Control charts for X-bar and R, using a subgroup size of 5, are to be applied to control the critical dimension of a certain manufacturing process. Specifications call for a nominal dimension of 1,250.000 + 0.050 mm. The process is believed to have a of 0.015 mm a) Determine appropriate control limits for the X-bar and R charts.

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