arithmetic mean


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Related to arithmetic mean: geometric mean, Arithmetic sequence, Weighted arithmetic mean

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 ?
Arithmetic means and standard deviations of answers to particular questions were counted after transformation of items to points by means of the programme STATISTICA 7.
Figure 5 displays the arithmetic mean of students' final rubric scores for the "Effective Business Practices" LOs over three assessment cycles.
This result shows that the weighted arithmetic mean equation is overestimated when at least one COP is considerably lower than the other COPs.
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.
Accordingly, the appearance of Kirchhoff's integral in the modified theory has no significance apart from the fact that it happens to be the arithmetic mean of [u.
8) By construction, a geometric mean index will grow at a slower rate than its counterpart arithmetic mean index in calculating the proportionate change in cell compensation.
The 95% reference interval was defined as the arithmetic mean of the log-transformed data [+ or -] 2 SD, raised to the power of 10.
For instance, building on work by McClellan and Staiger (1999) in rating hospital performance, we have proposed a simple technique for pooling information over time, which improves on a simple arithmetic mean by taking into account the amount of "signal" and "noise" in a given measure of performance.
Based on the 101 years of the study, the arithmetic mean equity risk premium relative to bills was 7.
There are both lateral differences, where different rock types have statistically significantly different arithmetic mean values, and differences within the weathered profile of the regolith, where, as George (1992) reported, the completely weathered pallid zone has much lower [K.
Basically, it is the number of standard deviations that the particular score is from the arithmetic mean of the population.