Definition
An index that describes how well a process is performing (potential or actual) as compared to the upper and lower specification limits and the target specification. Cp, Cpk, Pp, Ppk, Sigma Level, Zst, Zlt and Zbench are all process capability indices.
See Also
Cp, Cpk, Pp, Ppk, Sigma Level, Zst, Zlt and Zbench
External Links
Process Capability Indices from the StatSoft Online Textbook - http://www.statsoft.com/textbook/stprocan.html#pprocess Capability Analysis with Non-Normal Data by Keith M. Bower - http://www.keithbower.com/SQA/Non-Normal%20Capa%20-%20html.htm