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Variation - definitions

Variation - A change in data, characteristic or function caused by one of four factors: special causes, common causes, tampering or structural variation (see individual entries).

[Category=Quality ]

Source: American Society for Quality, 29 October 2010 09:32:06, External

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Variation - Variation is the fluctuation in process output. It is quantified by standard deviation, a measure of the average spread of the data around the mean. Variation is sometimes called noise. Variance is squared standard deviation.

[Category=Data Quality ]

Source: iSixSigma, 03 March 2011 09:12:20, External 

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