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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.

Contributors in Six Sigma

Six Sigma

quality tool

Quality management; Six Sigma

An instrument or technique to support and improve the activities of process quality management and improvement.

continuous sampling plan

Quality management; Six Sigma

In acceptance sampling, a plan, intended for application to a continuous flow of individual units of product, that involves acceptance and rejection on a unit-byunit basis and employs alternate ...

validation

Quality management; Six Sigma

The act of confirming a product or service meets the requirements for which it was intended.

failure mode analysis (FMA)

Quality management; Six Sigma

A procedure to determine which malfunction symptoms appear immediately before or after a failure of a critical parameter in a system. After all possible causes are listed for each symptom, the ...

sample standard deviation chart (S chart)

Quality management; Six Sigma

A control chart in which the subgroup standard deviation, s, is used to evaluate the stability of the variability within a process.

rejection number

Quality management; Six Sigma

The smallest number of defectives (or defects) in the sample or samples under consideration that will require rejection of the lot.

intervention

Quality management; Six Sigma

The action of a team facilitator when interrupting a discussion to state observations about group dynamics or the team process.

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