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

funnel experiment

Quality management; Six Sigma

An experiment that demonstrates the effects of tampering. Marbles are dropped through a funnel in an attempt to hit a flat surfaced target below. The experiment shows that adjusting a stable process ...

AS9100

Quality management; Six Sigma

An international quality management standard for the aerospace industry published by the Society of Automotive Engineers and other organizations worldwide. It is known as EN9100 in Europe and JIS Q ...

control limits

Quality management; Six Sigma

The natural boundaries of a process within specified confidence levels, expressed as the upper control limit (UCL) and the lower control limit (LCL).

histogram

Quality management; Six Sigma

A graphic summary of variation in a set of data. The pictorial nature of a histogram lets people see patterns that are difficult to detect in a simple table of numbers. One of the “seven tools of ...

sponsor

Quality management; Six Sigma

The person who supports a team’s plans, activities and outcomes.

multiple sampling

Quality management; Six Sigma

Sampling inspection in which, after each sample is inspected, the decision is made to accept a lot, reject it or take another sample. But there is a prescribed maximum number of samples, after which ...

sampling at random

Quality management; Six Sigma

As commonly used in acceptance sampling theory, the process of selecting sample units so all units under consideration have the same probability of being selected. Note: Equal probabilities are not ...