Six Sigma

Six Sigma

Originally developed by Motorola in 1986, Six Sigma is quality management method that helps organizations to improve the capability of their business processes. This increase in performance and decrease in process variation lead to defect reduction and improvement in profits, employee morale and quality of products or services.

Industry: Quality management

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Six Sigma

line balancing

Quality management; Six Sigma

A process in which work elements are evenly distributed and staffing is balanced to meet takt time.

average chart

Quality management; Six Sigma

A control chart in which the subgroup average, X-bar, is used to evaluate the stability of the process level.

total quality control (TQC)

Quality management; Six Sigma

A system that integrates quality development, maintenance and improvement of the parts of an organization. It helps a company economically manufacture its product and deliver its services.

deviation

Quality management; Six Sigma

In numerical data sets, the difference or distance of an individual observation or data value from the center point (often the mean) of the set distribution.

surveillance

Quality management; Six Sigma

The continual monitoring of a process; a type of periodic assessment or audit conducted to determine whether a process continues to perform to a predetermined standard.

median

Quality management; Six Sigma

The middle number or center value of a set of data in which all the data are arranged in sequence.

green belt (GB)

Quality management; Six Sigma

An employee who has been trained in the Six Sigma improvement method and will lead a process improvement or quality improvement team as part of his or her full-time job.