Definition of "sigma"
noun:
-
The name for the eighteenth letter of the Classical and Modern Greek, the nineteenth letter of Old and Ancient.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
The symbol Σ, used to indicate summation of a set or series.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
The symbol σ, used to indicate one standard deviation from the mean, particularly in a normal distribution.
from Wiktionary, Creative Commons Attribution/Share-Alike License
-
Powered by 