| CPK |
Cpk is a measure of the actual process capability. It is calculated by dividing the distance of the process mean to the nearest tolerance limit by 3 standard deviations of the process. Again, the process must be in control before assessing Cpk. See the Statistical Process Control section of the Toolbox for additional help on this subject.
Ãâó: www.moresteam.com/metrics.cfm
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