# Process Sigma - Very sensitive indicator - Focuses on defects - Distribution shifted +/- 1.5 sigma | Percent | DPMO | Sigma | | :------- | -----: | :---: | | 93% | 66,807 | 3.0 | | 98% | 22,750 | 3.5 | | 99% | 6,210 | 4.0 | | 99.87% | 1,350 | 4.5 | | 99.977% | 233 | 5.0 | | 99.9997% | 3.4 | 6.0 |