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Quickly calculate the standard deviation of a list of numbers.
In statistics, the standard deviation (SD) (represented by the Greek letter sigma, σ) is a measure that is used to quantify the amount of variation or dispersion of a set of data values. A low standard deviation indicates that the data points tend to be very close to the mean (also called the expected value) of the set, while a high standard deviation indicates that the data points are spread out over a wider range of values.

Simple calculator to calculate the standard deviation of a list of numbers.

Standard Deviation Calculator

Standard Deviation Calculator

Latest Version of Standard Deviation Calculator