Sample Standard Deviation Symbol

Sample Standard Deviation Definition

A measure of the range of values in a set of numbers. Standard deviation is a statistic used as a measure of the dispersion or variation in a distribution, equal to the square root of the arithmetic mean of the squares of the deviations from the arithmetic mean. Source

Sample Standard Deviation Formula

σ = 1 N i = 1 N ( x i μ ) 2 .

Sample Standard Deviation Calculator

Enter the Data Values separated by commas below. 1, 10, 15 or Enter the Data Values as a list.
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Sample Standard Deviation Example