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Standard Deviation Symbol

Standard Deviation Symbol

Submitted by • August 31, 2012

The standard deviation of a set of values is the positive square root of the mean of the standard deviations of the values from their arithmetic mean. It is denoted by σ (sigma). The measures of dispersion are statistical devices to measure the variability or the dispersion in a series. The Measures of Central tendency are the average of the original values.

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Voted by lakhajeet

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