Six Sigma Definition

Six Sigma is a statistical term that is used to refer to a process that generates a maximum defect probability of 3.4 parts per million (PPM). In other words, 99.99966% of all opportunities are free of defects, statically speaking. However, a three-sigma organization would have 66,807 DPMO and 93.3% of all opportunities free of defects.


See also:

What are the main differences between lean manufacturing & six sigma

4 steps to integrating six sigma in lean manufacturing

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