# be+at+variance

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**variance**— n. [L. variare, to change] A sampling statistic relating to deviations from the mean …82

**variance**— noun a) The act of varying or the state of being variable b) A difference between what is expected and what happens …83

**variance**— 1. The state of being variable, different, divergent, or deviate; a degree of deviation. 2. A measure of the variation shown by a set of observations, defined as the sum of squares of deviations from the mean, divided by the number of degrees of… …84

**variance swap**— A swap agreement where one party agrees to receive implied volatility and pay realized while the counterparty agrees to receive realized volatility and pay implied. American Banker Glossary …85

**variance**— The square of the standard deviation [16] …86

**variance**— I (New American Roget s College Thesaurus) n. change, alteration; difference, disagreement, discord;jarring, dissension; variation, unconformity. II (Roget s IV) n. Syn. change, fluctuations, deviation, modification, oscillation, mutation,… …87

**variance**— See causal modelling ; sequence analysis ; variation (statistical) …88

**variance**— A measure of the variation around the central class of a distribution; the average squared deviation of the observation from their mean value …89

**variance**— varÂ·iÂ·ance || verÉªÉ™ns / veÉ™r n. act or instance of variation; divergence; discrepancy, strife, discord …90

**variance analysis**— analysis of the distribution or error that is random in experiment results …