Greek Small Letter Sigma

σ
Symbol Format Data
σ Code Point
U+03C3
TeX
\sigma
SVG
Symbol Table

Usage

The Greek letter (sigma) is used in statistics to represent the standard deviation of a population.

Related

capital sigma

The capital Greek letter Σ (Sigma) is used in algebra to represent the summation operator.

Links

Standard Deviation

The standard deviation formula is denoted by the greek lower case sigma symbol in the case of the population and the latin letter s for the sample.