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

Charter

Quality management; Six Sigma

A written commitment approved by management stating the scope of authority for an improvement project or team.

Attribute data

Quality management; Six Sigma

Go/no-go information. The control charts based on attribute data include percent chart, number of affected units chart, count chart, count per unit chart, quality score chart and demerit chart.

Company culture

Quality management; Six Sigma

A system of values, beliefs and behaviours inherent in a company. To optimise business performance, top management must define and create the necessary culture.

Strategic planning

Quality management; Six Sigma

The process an organisation uses to envision its future and develop the appropriate strategies, goals, objectives and action plans.

Registration

Quality management; Six Sigma

The act of including an organization, product, service or process in a compilation of those having the same or similar attributes.

Kruskal-Wallis test

Quality management; Six Sigma

A nonparametric test to compare three or more samples. It tests the null hypothesis that all populations have identical distribution functions against the alternative hypothesis that at least one of ...

Classification of defects

Quality management; Six Sigma

The listing of possible defects of a unit, classified according to their seriousness. Note: Commonly used classifications: class A, class B, class C, class D; or critical, major, minor and ...