# arithmetical mean

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Related to arithmetical mean: Weighted arithmetic mean

## arithmetical mean

The total of all values divided by the number of observations. If the distribution of the values is skewed, the arithmetical mean is a misleading figure. In such a case the GEOMETRIC MEAN is appropriate.
References in periodicals archive ?
3 includes the results of the arithmetical means, of the initial and final values, regarding the evaluation of coordination, balance and stability of the experimental group of subjects covered by the research.
Arithmetical mean and standard deviation of the answers that prospective teachers give about their media literacy competencies were given in Table 3.
Estimation of average tariff for water services (drinking water, wastewater treatment) as percentage of household income: Latvia, data on 88 projects arithmetical mean weighted mean Before the project 2,13% 1,90% After the project 2,61% 1,95% After the project + one year 2,74% 1,98% Year 2015 2,53% 1,89% Note: Table made from line graph.
here AME is the arithmetical mean of the response error; n is the number of points of the calculated response error.
Instead of using the arithmetical mean, we chose the median for the analyses, since there is empirical evidence showing that this is the best option for contaminated distributions (see Ratcliff, 1993; Perea & Algarabel, 1999; see also Acha & Perea, in press, for a study with beginning readers).
The deviation that exists between British and Irish ratings was covered in detail by colleague Andrew Scutts in an article in this paper in March 2006, but stems from the fact that in September 2003 the BHA adjusted its ratings by a graduated amount to account for slippage (change in the arithmetical mean of the horse population), as they had done so at a similar stage of each season since 2000.
5) (g/100 ml) All values are indicated as arithmetical mean and range.
P], whose elements are weights of factor importance, obtained as arithmetical mean value between the lowest and highest value of the importance of the factor (multiplied by 100),
TABLE 1 The Evidence of [sigma]-Convergence in Social Tax Contributions Year Arithmetical Mean Standard Deviation Coefficient of Variation 1993 0.
For explanatory purposes ordinal scale data are transformed into interval scale data on the basis of the arithmetical mean of the category boundaries.
The arithmetical mean deviations of the profile (Ra) present the average roughness value in each group of samples.
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