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

Baseline measurement

Quality management; Six Sigma

The beginning point, based on an evaluation of output over a period of time, used to determine the process parameters prior to any improvement effort; the basis against which change is measured.

Effect

Quality management; Six Sigma

The result of an action being taken; the expected or predicted impact when an action is to be taken or is proposed.

Sigma

Quality management; Six Sigma

One standard deviation in a normally distributed process.

Analysis of variance (ANOVA)

Quality management; Six Sigma

A basic statistical technique for determining the proportion of influence a factor or set of factors has on total variation. It subdivides the total variation of a data set into meaningful component ...

Load-load

Quality management; Six Sigma

A method of conducting single-piece flow in which the operator proceeds from machine to machine, taking the part from one machine and loading it into the next. The lines allow different parts of a ...

Jidohka

Quality management; Six Sigma

Stopping a line automatically when a defective part is detected. Any necessary improvements can then be made by directing attention to the stopped equipment and the worker who stopped the operation. ...

Seven tools of quality

Quality management; Six Sigma

Tools that help organisations understand their processes to improve them. The tools are the cause and effect diagram, cheque sheet, control chart, flowchart, histogram, Pareto chart and scatter ...