The Process Capability Measures Cp and Cpk Differ Because

Multiple Choice

The process capability measures Cp and Cpk differ because

A) only one ensures the process mean is centered within the limits.
B) Cp values above 1 indicate a capable process,Cpk values above 2 indicate a capable process.
C) both are identical.
D) Cp values for a given process will always be greater than or equal to Cpk values.
E) Cpk values for a given process will always be greater than Cp values.