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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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In order to answer the second task, a student would have to know how to compute (at least) the mean and median, compare the varying results, and then justify his or her choice of the more appropriate measure of central tendency.
A complex system analysis of practitioners' discourse about research by Groth, Randall E. / Focus on Learning Problems in Mathematics
Although means may be a questionable measure of central tendency when distributions are skewed, the present research includes them for purposes of replication and comparison with the previous research.
The desired number of sexual partners as a function of gender, sexual ... by Preston, Matthew / The Journal of Sex Research
 
 
 
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