Standard deviation: Difference between revisions
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[[Category:Identify_and_assess_risks]] | |||
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Revision as of 15:27, 28 October 2014
(SD).
Standard deviation measures the spread of data around their mean.
The standard deviation is the square root of the variance.
Standard deviation is used widely as a measure of risk, because it is relatively easy to calculate, compare and combine with the standard deviations of other variables.
