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A free online reference for statistical process control, process capability analysis, measurement systems analysis, and control chart interpretation, and other quality metrics.

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.

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