Sigma Definition

sĭgmə
noun
The eighteenth letter of the Greek alphabet (Σ, σ, ς)
Webster's New World
A sigma factor.
American Heritage Medicine
The standard deviation of a given probability distribution or a given set of data.
American Heritage

(mathematics) The symbol Σ, used to indicate summation of a set or series.

Wiktionary

Other Word Forms of Sigma

Noun

Singular:
sigma
Plural:
sigmas

Origin of Sigma

  • Greek sīgma of Phoenician origin smk in Semitic roots

    From American Heritage Dictionary of the English Language, 5th Edition

Sigma Sentence Examples

  • Sigma designs and makes the most beautiful pens imaginable.

  • If you are not six sigma trained then this book is no good for you unless you are a maths genius.

  • Why is Six Sigma such a hot topic in so many boardrooms at present?

  • There is no inner resolution cutoff, or sigma cutoff.

  • Consider a data set { x } modeled as coming from a Gaussian distribution of mean mu and s.d. sigma.

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Words Starting With

SSISIG

Words Ending With

AMAGMA

Unscrambles

sigma

Words Starting With S and Ending With A

Starts With S & Ends With AStarts With SI & Ends With AStarts With S & Ends With MA

Word Length

5 Letter Words5 Letter Words Starting With S5 Letter Words Ending With A