Question: Process capability ( C p ) and process performance ( Cpk ) indices differ in that: a . C p requires the process to be

Process capability (Cp) and process performance (Cpk) indices differ in that:
a.Cp requires the process to be centered within the specification limits, whereas Cpk does not.
b. Cpk takes into account the centering of the process, whereas Cp assumes the process is centered.
c. Cpk is a measure of potential capability, while Cp measures actual performance.
d. Cp is used exclusively for attribute data, while Cpk is used for variable data.
Process capability (Cp) and process performance (Cpk) indices differ in that:

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