Terms used in official statistics

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The value of a feature that divides the ordered statistical population into two equal parts so that there is an equal number of observations below and above this value. Median is the second quartile. It is worth emphasizing that the median as a positional measure is insensitive to untypical (outlier, extreme) distribution values, its value does not depend on the marginal values of the distribution of the analyzed feature.

High-level terms

Low-level terms:

Contact person on methodology:
GUS – Departament Programowania, Koordynacji Badań i Rejestrów