The process capability index,indicated by Cp is calculated as the ratio of the design specification width to the process width.

Question

Quizplus · Accepted Answer

The process capability index, Cp, measures a process's ability to produce output within specification limits, and it is indeed calculated as the ratio of the design specification width (the difference between the upper and lower specification limits) to the process width (6 times the standard deviation of the process).

The Process Capability Index,indicated by Cp Is Calculated as the Ratio