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say it: koh-VAH-ree-uhns
covariance is a noun meaning "(statistics) the mean value of the product of the deviations of two variates from their respective means". It is pronounced /ˌkoʊˈvɑˌɹiəns/ — koh-VAH-ree-uhns. It carries one recorded sense.
(statistics) the mean value of the product of the deviations of two variates from their respective means
statistics
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for covariance come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.