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sigma
(redirected from sigmas)

   Also found in: Dictionary/thesaurus, Acronyms, Encyclopedia, Wikipedia 0.01 sec.
sigĀ·ma (sgm)
n.
Symbol The 18th letter of the Greek alphabet.

sigma
[sig′mə]
Σ, σ, and s, the eighteenth letter of the Greek alphabet.

sigma
the Greek letter σ or σ; the former frequently denotes a standard deviation, the latter is used in mathematics for the sum of the values of the term nominated.


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The standard deviations or sigmas of the instrumental V magnitudes were compared with the AIP4WIN-derived sigmas, and an equation for the relationship derived, namely: Actual error = 1.
Ten Sigmas Paul Meiko Fairwood Press 21528 104th Street Court East, Bonney Lake, WA 98391 9780978907860, $16.
Government of 73,000 Sigmas and 15,000 restraints for allied forces in the Middle East.
 
 
 
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