σ
| Symbol | Format | Data |
|---|---|---|
| σ | Code Point | |
| TeX | |
|
 |
SVG |
The Greek letter (sigma) is used in statistics to represent the standard deviation of a population.
The capital Greek letter Σ (Sigma) is used in algebra to represent the summation operator.
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.