What Do 1, 2 and 3 Sigma Mean? Sigma Levels and the 68-95-99.7 Rule

What sigma (the standard deviation) means, how it is worked out step by step with a simple two-player example, the 68-95-99.7 rule on the normal curve, and why Six Sigma aims for six: 3.4 defects per million opportunities. Read the full article: https://www.managementstudyguide.com/... Management Study Guide publishes free, practical lessons on management, HR, finance, marketing and strategy: https://www.managementstudyguide.com #SixSigma #QualityManagement #ManagementStudyGuide Subscribe: https://www.youtube.com/user/himanshu...