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    Statistical Quality Control: Control and Capability

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    In statistics, what is the difference between process capability and control?

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    Process control, typically seen in an X bar-R chart, uses variation within the subgroup. The variation (standard deviation) within the subgroup, based on the subgroup size, n, is used to calculate the control limits, UCL & LCL. This is short term variation. If any points fall outside the control ...

    Solution Summary

    This solution compares and contrasts process capability and process control and highlights how each is used in statistics.