In probability theory and statistics, variance measures how far a set of numbers are spread out.

Variance may also refer to: Variance (accounting), the difference between a budgeted, planned or standard cost and the actual amount incurred/sold Variance Films, a film distribution company founded in 2008 Variance (land use), a deviation from the set of rules a municipality applies to land use and land development Variance (album) (2009), third album by electronic musician Jega Variance (magazine), an American online music magazine

See also Covariance, probability theory and statistics Covariance and contravariance (category theory) Type variance Genetic variance (disambiguation) Invariance (physics)