# Statistical Quality Control: Control and Capability

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

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#### Solution Preview

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.

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