Median (from Internet Glossary of Statistical Terms)

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The median is one of several indices of central tendency that statisticians use to indicate the point on the scale of measures where the population is centered. The median of a population is the point that divides the distribution of scores in half. Numerically, half of the scores in a population will have values that are equal to or larger than the median and half will have values that are equal to or smaller than the median.

Here is a population of 9 persons arranged in order of their heights. The median height in this population is 62 inches.

Statistical Median