Terms used in official statistics

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Quartile range


The difference between the third quartile and the first quartile of the feature being examined. Because there are 50% of all observations between these quartiles, therefore the greater the width of the quartile range, the greater the variation (measure of differentiation) of the examined statistical feature in the sample. Half of the quartile range is called quartile deviation.

Low-level terms:

Contact person on methodology:
Waldemar Popiński