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Dictionary definition for: Variance

1. (n) an event that departs from expectations

2. (n) discord that splits a group

3. (n) the second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value

4. (n) a difference between conflicting facts or claims or opinions; "a growing divergence of opinion"

5. (n) the quality of being subject to variation

6. (n) an activity that varies from a norm or standard; "any variation in his routine was immediately reported"

WordNet 2.1 Copyright Princeton University. All rights reserved.