Definitions | sigma |
| noun
- The name for the eighteenth letter of the Classical Greek, Classical and Modern Greek, the nineteenth letter of Old Greek, Old and Ancient Greek, Ancient.
- (mathematics): the symbol (Σ) is used to indicate summation of a set or series.
- (statistics): the symbol (�) is used to indicate one standard deviation from the mean, particularly in a normal distribution.
Translations: Supplemental Details:Sponsor an extended definition for sigma for as little as $10 per month. Click here to contact us.
| |
|