| Noun | 1. | variance - an event that departs from expectations deviation, difference, divergence, departure - a variation that deviates from the standard or norm; "the deviation from the mean" |
| 2. | variance - discord that splits a group dissension, discord - disagreement among those expected to cooperate | |
| 3. | variance - the second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value statistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters moment - the n-th moment of a distribution is the expected value of the n-th power of the deviations from a fixed value standard deviation - the square root of the variance covariance - (statistics) the mean value of the product of the deviations of two variates from their respective means | |
| 4. | variance - a difference between conflicting facts or claims or opinions; "a growing divergence of opinion"difference - the quality of being unlike or dissimilar; "there are many differences between jazz and rock" | |
| 5. | variance - the quality of being subject to variationchangeability, changeableness - the quality of being changeable; having a marked tendency to change; "the changeableness of the weather" variedness - characterized by variation variegation - variability in coloration personal equation - variability attributable to individual differences | |
| 6. | variance - an official dispensation to act contrary to a rule or regulation (typically a building regulation); "a zoning variance" dispensation - an exemption from some rule or obligation | |
| 7. | variance - an activity that varies from a norm or standard; "any variation in his routine was immediately reported"activity - any specific behavior; "they avoided all recreational activity" |