## Quick Reference

In descriptive statistics, the average value, calculated (for a finite set of scores) by adding the scores together and then dividing the total by the number of scores. Often referred to simply as the *mean*, this is the most commonly used measure of central tendency. See also Lake Wobegon effect, median, mode, trimmed mean. Compare geometric mean, harmonic mean. M abbrev. [From Old French *moien*, from Latin *medianus* median]

*Subjects:*
Social Sciences — Psychology.

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