an activity that varies from a norm or standard | 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 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 | |