KnowraSix SigmaLinked fromLinked fromThe 7 pages that link to Six Sigma, each with the reason it gives.All 7Related 5Compared with 2Statistical process controlRelated: Six Sigma projects may use SPC, but its scope extends beyond ongoing process monitoring.Business process managementRelated: Its statistical tools support disciplined process improvement.Manufacturing engineeringRelated: Its improvement projects address recurring quality problems in production.Jack WelchRelated: Welch made Six Sigma a company-wide priority at GE in the 1990s.68–95–99.7 ruleRelated: Its name invokes six standard deviations, extending the same normal-curve coverage reasoning.