A free online reference for statistical process control, process capability analysis, measurement systems analysis, control chart interpretation, and other quality metrics.
The Cpm index indicates how well the system can produce within specifications Its calculation is similar to Cp, except that sigma is calculated using the target value instead of the mean. The larger the Cpm, the more likely the process will produce output that meets specifications and the target value.
>> How do I compare the Cp/Pp and Cpk/Ppk?
>> Capability indices