A term generally used to indicate that a processA series of time-based activities linked to comple... is well controlled, I.e., tolerance limits are +-6 sigmaA Greek letter commonly used to designate the stan... (3.4 defects per million events) from the centerline in a control chart. The term is usually associated with Motorola which named one of its key operations initiatives Six-Sigma QualityConformance to requirements or fitness for use. Qu....