VARIANCE

Variance

In probability theory and statistics, variance measures how far a set of numbers is spread out. A non-zero variance is always positive: A small variance indicates that the data points tend to be very close to the mean and hence to each other, while a high variance indicates that the data points are very spread out from the mean and from each other.

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variance

Noun

  1. The act of varying or the state of being variable
  2. A difference between what is expected and what happens
  3. The state of differing or being in conflict
  4. A discrepancy, especially between two legal documents
  5. The second central moment in probability
  6. covariance and contravariance generally


The above text is a snippet from Wiktionary: variance
and as such is available under the Creative Commons Attribution/Share-Alike License.

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