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Empirical Rule

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Empirical Rule - definition(s)

Empirical Rule - For data sets having a normal, bell-shaped distribution, the following properties apply:

   About 68% of all values fall within 1 standard deviation of the mean
   About 95% of all values fall within 2 standard deviation of the mean
   About 99.7% of all values fall within 3 standard deviation of the mean.

[Category=Data Quality ]

Source: iSixSigma, 19 January 2011 08:51:52, https:web.archive.org/web/20111109014246/http:www.isixsigma.com/index.php?option=com_glossary External 


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