Quality Advisor℠

Your proof of quality® resource

6. Calculate and interpret the capability indices

This step describes the key capability indices.

>> 6.1. Calculate Cp
>> 6.2. Calculate Cpk
>> 6.3. Interpret Cp and Cpk
>> 6.4. Calculate Cpu and Cpl

Practical Tools for Continuous Improvement discusses other indices, such as Cpm and Cr.

The above article is an excerpt from the "Operational definition" chapter of Practical Tools for Continuous Improvement Volume 2 Statistical Tools.

Free monthly quality tips

FREE Newsletter on training tips, statistical help, book reviews and new product informationSubscribe to our free monthly newsletter, Quality eLine. It offers quality improvement information, quality training tips, statistical process control help, gage R&R information, and more.