Definition Process Capability (Cp and Cpk) - Definitions

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Process capability (1) a statistical measure of the inherent process variability for a given characteristic.

Process capability (2) a measurement of the variability in a process to some specification criteria.

Process capability (3) the number of standard deviations that will fit between the target value and the specification limit, i.E. A process with 6 sigma capability can fit 6 standard deviations between the target and the upper or lower specification limit. A higher value indicates a more capable process.

Also see Process Capability Index, Process Capability, Cp and Cpk

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