Variance

Pronunciation

• US IPA: /ˈvæɹiÉ™ns/

Alternative forms

• variaunce
• var

Origin

From Old French variance.

Noun

1. The act of varying or the state of being variable
2. A difference between what is expected and what happens
3. The state of differing or being in conflict
4. A discrepancy, especially between two legal documents
5. (second central moment in probability)(statistics) The second central moment in probability
6. (computing, programming) covariance and contravariance generally