# arithmetic mean

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## a·rith·me·tic mean

the mean calculated by adding a set of values and then dividing the sum by the number of values.

Farlex Partner Medical Dictionary © Farlex 2012

## mean

Statisticsnoun The sum of the values of all observations or data points divided by the number of observations; an arithmetical average; the central tendency of a collection of numbers, which is a sum of the numbers divided by the amount of numbers the collection.

Types

• Population mean (µ).

• Sample mean (x-bar).

Vox populi-UK

adjective Stingy; miserly; unwilling to share.

Vox populi-US

adjective Unkind, spiteful.

Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

## arith·me·tic mean

(ar'ith-met'ik mēn)The mean calculated by adding a set of values and then dividing the sum by the number of values.

Synonym(s): average (2) .

Synonym(s): average (2) .

Medical Dictionary for the Health Professions and Nursing © Farlex 2012

## arithmetic mean

or## mean

a number (symbol:*x)*that is computed by calculating the sum of a set of numbers (Σ

*x*)

*and dividing the sum by the number of terms (*

*n*).

Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

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