STANDARDDEVIATION

Standard deviation

In statistics and probability theory, the standard deviation 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 ; a high standard deviation indicates that the data points are spread out over a large range of values.

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standard deviation

Noun

  1. A measure of how spread out data values are around the mean, defined as the square root of the variance.


The above text is a snippet from Wiktionary: standard deviation
and as such is available under the Creative Commons Attribution/Share-Alike License.

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