### Definition of Six SigmaSix standard deviations lie between the mean of the process and the customer’s specification limit (hence, 6 Sigma)… Read More ### History### How is Lean Six Sigma Different?### Sigma Level | ### Dictionary of Lean Six Sigma TerminologyYour source for Lean Six Sigma acronyms, terms and definitions. Read More ### Deployment### Design for Six Sigma### DMAIC### FAQs |