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Sample Standard Deviation Calculator

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About This Tool

The online Sample Standard Deviation Calculator is used to calculate the sample standard deviation of a set of numbers.

Sample Standard Deviation

A sample standard deviation is an estimate, based on a sample, of a population standard deviation. It provides an important measures of variation or spread in a set of data.


The following is the sample standard deviation formula:

Sample Standard Deviation Formula

s = sample standard deviation
x1, ..., xN = the sample data set
x̄ = mean value of the sample data set
N = size of the sample data set

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