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Definition of Standard deviation
1. Noun. The square root of the variance.
Medical Definition of Standard deviation
1. Statistical index of the degree of deviation from central tendency, namely, of the variability within a distribution; the square root of the average of the squared deviation's from the mean. A measure of dispersion or variation used to describe a characteristic of a frequency distribution. (05 Mar 2000)
Lexicographical Neighbors of Standard Deviation
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