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Covariance

[koh-vair-ee-uh ns] /koʊˈvɛər i əns/

noun, Statistics.
1.
the expectation or mean value of the variable formed by multiplying the differences obtained by subtracting two given variates from their respective means; the product of the standard deviations of two given variates and the coefficient of correlation between them.
/kəʊˈvɛərɪəns/
noun
1.
(statistics) a measure of the association between two random variables, equal to the expected value of the product of the deviations from the mean of the two variables, and estimated by the sum of products of deviations from the sample mean for associated values of the two variables, divided by the number of sample points. Written as Cov (X, Y)

1878, from covariant (1853), from co- + variant.

Tagged:

• Covariant

[koh-vair-ee-uh nt] /koʊˈvɛər i ənt/ adjective, Mathematics. 1. (of one magnitude with respect to another) varying in accordance with a fixed mathematical relationship: The area of a square is covariant with the length of a side.

• Covariate

[koh-vair-ee-it, ‐eyt] /koʊˈvɛər i ɪt, ‐ˌeɪt/ noun, Statistics. 1. a continuous control variable that is observed rather than manipulated but can affect the outcome of an experiment or study: You need to adjust for education level and other covariates in interpreting the results.

• Covarrubias

[koh-vuh-roo-bee-uh s; Spanish kaw-vahr-roo-byahs] /ˌkoʊ vəˈru bi əs; Spanish ˌkɔ vɑrˈru byɑs/ noun 1. Miguel [mee-gel] /miˈgɛl/ (Show IPA), 1904–57, Mexican caricaturist, illustrator, and painter.

• Cove

[kohv] /koʊv/ noun 1. a small indentation or recess in the shoreline of a sea, lake, or river. 2. a sheltered nook. 3. a hollow or recess in a mountain; cave; cavern. 4. a narrow pass between woods or hills. 5. a sheltered area between woods or hills. 6. Architecture. verb (used with or without […]

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