Sigma

Noun

 * 1) The name for the eighteenth letter of the Classical and Modern Greek, the nineteenth letter of Old and Ancient.
 * 2)  The symbol Σ, used to indicate summation of a set or series.
 * 3)  The symbol σ, used to indicate one standard deviation from the mean, particularly in a normal distribution.

Derived terms

 * sigmalike
 * within one sigma: the range from the mean, plus or minus one standard deviation, usually covering 68% of the data points in a normal distribution

Translations

 * Catalan:
 * Czech:
 * Dutch:
 * Greek:
 * Interlingua:


 * Japanese: シグマ
 * Portuguese:
 * Russian: сигма
 * Slovak:
 * Spanish:

Noun

 * 1) Sigma; the Greek letter Σ (lowercase σ or ς).

Noun

 * 1) sigma

Noun

 * 1) sigma Greek letter

Noun

 * 1) sigma (Greek letter)


 * 1) sigmoid colon

Anagrams

 * sgami

Noun

 * 1) sigma; the Greek letter Σ, σ

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