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.


noun 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.

• Population mean (µ).
• Sample mean (x-bar).
Vox populi-UK
adjective Stingy; miserly; unwilling to share.

Vox populi-US
adjective Unkind, spiteful.

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) .
Arithmetic meanclick for a larger image
Fig. 47 Arithmetic mean . In this example, the mean (x) of 4 values of x is 11.

arithmetic mean



a number (symbol: x) that is computed by calculating the sum of a set of numbers (Σx ) and dividing the sum by the number of terms (n ).
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