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Standard Deviation

This page is about the meaning, origin and characteristic of the symbol, emblem, seal, sign, logo or flag: Standard Deviation.


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The Standard Deviation is a measure of how spread out numbers are.

In statistics and probability theory, the standard deviation (represented by the Greek letter sigma, σ) shows how much variation or dispersion from the average exists. A low standard deviation indicates that the data points tend to be very close to the mean (also called expected value); a high standard deviation indicates that the data points are spread out over a large range of values.

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Graphical characteristics:
Asymmetric, Open shape, Monochrome, Contains both straight and curved lines, Has no crossing lines.

Category: Mathematical Symbols.

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