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Gamma vs Sigma - What's the difference?

gamma | sigma |

As nouns the difference between gamma and sigma

is that gamma is gamma (greek letter) while sigma is sigma (greek letter).

gamma

English

Noun

(en noun)
  • The name of the third letter of the Greek alphabet ( ).
  • (mathematics) The (Gamma function), symbolized by ?.
  • (mathematics) A constant approximately equal to 0.55721566, symbolized by ?.
  • (physics) A unit of magnetic field equal to 1 nT.

    • Derived terms

    * gamma-aminobutyric acid * gamma ray * gamma correction * gamma globulin * nongamma

    Anagrams

    * ----

    sigma

    English

    Noun

    (en noun)
  • The name for the eighteenth letter of the Classical]] and Modern Greek, the twentieth letter of Old and [[Ancient Greek, Ancient.
  • (mathematics) The symbol ? , used to indicate summation of a set or series.
  • (statistics) The symbol ? , used to indicate one standard deviation from the mean, particularly in a normal distribution.
  • * 2011 , Paul Rincon, (bbc.co.uk) LHC: Higgs boson 'may have been glimpsed'
    • None of the spikes seen by the experiments is at much more than the "two sigma" level of certainty.
    A level of "five sigma" is required to claim a discovery, meaning there is less than a one in a million chance the data spike is down to a statistical fluke.

    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