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A Brief Note on Process Capability

Weiss, Elliott N.

Technical Note

A Brief Note on Process Capability

Weiss, Elliott N.

OM-1439 |  Technical Note

Collection: Darden School of Business

Product Details

Process capability, as revolutionized by Motorola, can be defined as the extent to which a process's natural variation falls within specifications. This note is a succinct introduction to the process capability ratio, which compares set specifications against the three standard deviations on either side of the process mean--six in total, referred to as Six Sigma. This introduction assumes a normal distribution of observations and a process that is performing predictably over time.

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