Page 16 - Business Process Reengineering via Six Sigma Theory and Methodologies
P. 16
Six Sigma
Level Defects per Million σ % Non-Defective
2s 308,537 2σ 69.1%
3s 66,807 3σ 93.32%
4s 6,210 4σ 93.379%
5s 233 5σ 99.9767%
6s 3.4 6σ 99.99966%
