sigma Definition
- 1the eighteenth letter of the Greek alphabet (Σ, σ, or ς), transliterated as ‘s’ or ‘S’.
- 2a measure of the amount of variability in a set of data, typically given as the standard deviation of the set.
Using sigma: Examples
Take a moment to familiarize yourself with how "sigma" can be used in various situations through the following examples!
Example
The value of sigma is used to calculate the standard deviation of a dataset.
Example
In Greek, the letter sigma can be written in two forms: uppercase Σ and lowercase σ.
Example
The sigma level of a process measures how well it performs relative to its specifications.
sigma Synonyms and Antonyms
Synonyms for sigma
- standard deviation
Origins of sigma
from Greek 'sígmā', from Phoenician 'šin', meaning 'tooth'
Summary: sigma in Brief
The term 'sigma' [ˈsɪɡmə] has two meanings. Firstly, it refers to the eighteenth letter of the Greek alphabet, which is transliterated as 's' or 'S'. Secondly, it is a measure of the amount of variability in a set of data, typically given as the standard deviation of the set. An example of its usage is 'The value of sigma is used to calculate the standard deviation of a dataset.'
