Mean (mathematics)

In mathematics and statistics, a mean or average is a measure of central tendency. It results from performing a certain series of operations with a set of numbers and that, under certain conditions, can represent the entire set by itself. There are different types of means, such as the geometric mean, the weighted mean and the harmonic mean, although in common language, both in statistics and in mathematics, the elementary of all of them is the term that generally refers to the arithmetic mean.

There are numerous examples of stockings. \scriptstyle {\bar {x}}=m_{i}(x_{1},\dots ,x_{n}), one of the few properties shared by all means is that any mean is between the maximum value and the minimum value of the set of variables:

In addition, it must be fulfilled that:

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