## Definitions

### from The American Heritage® Dictionary of the English Language, 5th Edition.

- noun The value obtained by dividing the sum of a set of quantities by the number of quantities in the set.

### from Wiktionary, Creative Commons Attribution/Share-Alike License.

- noun
*statistics, probability*Themeasure of central tendency of a set of values computed by dividing the sum of the values by their number; commonly called the mean or the average.

### from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

- noun the sum of the values of a random variable divided by the number of values

## Etymologies

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## Examples

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