a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters | an activity that varies from a norm or standard |
| an official dispensation to act contrary to a rule or regulation (typically a building regulation) |
| a difference between conflicting facts or claims or opinions |
| the quality of being subject to variation |
| the second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value |
| discord that splits a group |
| an event that departs from expectations |