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.

arithmetic mean

See mean.

mean

Statistics
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.

Types
• 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

or

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 ).

arithmetic mean

see mean.
References in periodicals archive ?
Not merely conceptually flawed, the wrongful employment of the arithmetic mean produces consistent overestimation of the true average growth rate.
1] Figure 15a shows the evolution of the arithmetic mean of the time-average efficiency as a function of Z for KD4, KD5, and KD6.
This translate into a small predicted difference in the annual growth rate between the Laspeyres index based on arithmetic means and the Laspeyres index based on geometric means of 0.
EN(A)] were mutually compared with the following result: the estimate based on the arithmetic mean is always higher but only in one case exceeds 150% of the [[[N.
4 [micro]T were calculated for the arithmetic mean and geometric mean exposure distributions, before and after making the 50% exposure reduction in the United States (Table 4).
In order to obtain the values of the hemorrhagic lesions using the MHD method, the arithmetic mean of the greatest perpendicular diameters of the lesions was calculated.
Let x be the arithmetic mean and s be the standard deviation of the arithmetic means [x.
The series with the arithmetic means presented in table 3 of the current article differ slightly from the Laspeyres and Paasche series reported in table 1.
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.
We sorted the returned questionnaires according to the type of hospital (VA or DOD), and we calculated arithmetic means with standard deviations for each subgroup as well as for the total number of respondents.
Arithmetic means computation with numbers, and in the sixteenth century a lack of algebraic notation restricted the range of possible operations fairly strictly to addition, subtraction, multiplication, and (the crowning achievement of most contemporary libri di abbaco, the practical handbooks used by merchants) long division.