A source of variationA change in scope or timing of work that a supplier is oblig... More that is not inherent in the system, is not predictable, and is intermittent. It can be assigned to a defectAn imperfection or deficiency in a project component where t... More in the system. On a control chart[Tool]
A graphic display of process data over time and ag... More, points beyond the control limitsThe area composed of three standard deviations on either sid... More, or non-random patterns within the control limitsThe area composed of three standard deviations on either sid... More, indicate it. Also referred to as assignable cause. Contrast with common causeA source of variation that is inherent in the system and pre... More.
