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average
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average

In statistics, a term used inexactly to indicate the typical member of a set of data. It usually refers to the arithmetic mean. The term is also used to refer to the middle member of the set when it is sorted in ascending or descending order (the median), and the most commonly occurring item of data (the mode), as in ‘the average family’.

In addition, it is useful to know the range or spread of data.



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? Mentioned in ? References in periodicals archive
 
For example, statistical fundamentals (such as the normal distribution and probability) are presented within the context of sampling theory early on in the text, which lays the groundwork for the later chapter on quantitative data analysis, which discusses issues of central tendency, dispersion, and statistical inference.
Rafael J. Engel and Russell K. Schutt, The Practice of Research in ... by Cohen, Edward / Journal of Sociology & Social Welfare
EPA using the one-compartment pharmacokinetic model contains two areas of significant uncertainty: It does not directly account for the influence of the ratio of cord blood:maternal blood Hg concentration, and it does not resolve uncertainty regarding the most appropriate central tendency estimates for pregnancy and third-trimester--specific model parameters.
A revised probabilistic estimate of the maternal methyl mercury ... by Stern, Alan H. / Environmental Health Perspectives
The wide variation was noted in measures of central tendency with the mean ($5,042,076) being higher than the median ($3,248,074) due to the presence of several programs that received substantially more funds than many of the other programs.
An analysis of doctoral programs of health education by Eddy, James M. / American Journal of Health Studies
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