variance
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var·i·ance (varґe-əns) in statistics, a measure of the variation shown by a set of observations: the average of the squared deviations from the mean; it is the square of the standard deviation (q.v.). Symbol σ2>.
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variance — [ varjɑ̃s ] n. f. • 1904; de variant, p. prés. de varier, d apr. invariant, covariant 1 ♦ Sc. Nombre de conditions définissant un système physique ou chimique et que l on peut faire varier arbitrairement sans détruire l état d équilibre du… … Encyclopédie Universelle
variance — var·i·ance / ver ē əns/ n 1: a disagreement between two documents or positions; esp: a disagreement between allegations (as in an indictment or complaint) and proof offered at trial that warrants an appropriate remedy (as a directed verdict or an … Law dictionary
Variance — Va ri*ance, n. [L. variantia.] [1913 Webster] 1. The quality or state of being variant; change of condition; variation. [1913 Webster] 2. Difference that produce dispute or controversy; disagreement; dissension; discord; dispute; quarrel. [1913… … The Collaborative International Dictionary of English
variance — The phrase at variance should be followed by with, not from: • The pace at which strategy was being implemented was at variance with the quick decision making this business requires Guardian, 2006 … Modern English usage
variance — mid 14c., fact of undergoing change, from O.Fr. variance, from L. variantia, from variare to change (see VARY (Cf. vary)). Meaning state of disagreement is recorded from early 15c. The U.S. zoning sense of official dispensation from a building… … Etymology dictionary
variance — ► NOUN 1) (usu. in phrase at variance with) the fact or quality of being different or inconsistent. 2) the state of disagreeing or quarrelling. 3) chiefly Law a discrepancy between two statements or documents … English terms dictionary
variance — [ver′ē əns, var′ē əns] n. [OFr < L variantia < L varians, prp. of variare, to VARY] 1. the quality, state, or fact of varying or being variant; a changing or tendency to change 2. degree of change or difference; divergence; discrepancy 3.… … English World dictionary
variance — *discord, contention, dissension, difference, strife, conflict Analogous words: difference, diversity, divergency, disparateness (see corresponding adjectives at DIFFERENT): separation, division, severing, sundering (see corresponding verbs at… … New Dictionary of Synonyms
variance — [n] difference about face*, argument, change, conflict, contention, deviation, difference of opinion, different strokes*, disaccord, disagreement, discord, discrepancy, dissension, dissent, dissidence, disunity, divergence, diversity, division,… … New thesaurus
Variance — In probability theory and statistics, the variance of a random variable, probability distribution, or sample is one measure of statistical dispersion, averaging the squared distance of its possible values from the expected value (mean). Whereas… … Wikipedia
Variance — A measure of dispersion of a set of data points around their mean value. The mathematical expectation of the squared deviations from the mean. The square root of the variance is the standard deviation. The New York Times Financial Glossary * * *… … Financial and business terms
