arithmetic mean

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Related to arithmetic means: Finite sequence, geometric means

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


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.
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) .
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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 ).
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
In regard to the dimension of 'Service Quality', it measured an arithmetic mean of (3.48) and a standard deviation of (0.65).
To determine if there is a significant difference between arithmetic means ANOVA was used and the results are presented in Table 10.
[H.sub.1]: We suppose that arithmetic mean of social network utilization frequency by finding new business contacts and job opportunities from the point of view of male is not equal to arithmetic mean of social network utilization frequency by mentioned purpose from the point of view of female and at the same time we assume that the difference between them, if it exists, is not caused only by coincident variation of selection results.
If the remainder is zero, then the difference in mean log wages equals the difference in the log of mean wages, and thus taking its exponential yields the percentage difference in arithmetic means. The remainder is equal to zero if the shapes of the wage distributions in the two groups are the same, such that all normalized higher-order central moments take on the same values for the two groups (e.g., [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII]).
To define the Heinz means we take the arithmetic mean and let the arguments vary between x, y and their geometric mean.
as weighted arithmetic mean of mobile averages, the weights being the intervals between the moments, if these intervals are different:
For instance, the arithmetic mean price is 1.05 and the corresponding quantity at p=l.1 is 1/[[(1.1).sup.3] = 0.7513148 .
Without boring everyone, the simple arithmetic means that light travelling at 186,000 miles per second would take approximately one three-millionth of a second to cross a racetrack that is 50 yards wide and come back.
"While median prices are less influenced by outliers than by arithmetic means, averages weighted by volume may be a better measure of the price that the typical consumer pays.
(3) Check that there are no highly discrepant instrument arithmetic means. The four measurements for a given nominal level and instrument are referred to as a cell.
Nucleotide sequences from all isolates were aligned, and the relationship between isolates was assessed by unweighted pair group method with arithmetic means, by using the Wisconsin Package Version 9.0 (Genetics Computer Group, Madison, WI).