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A derived statistic is obtained by an arithmetical observation from the primary observations. In this sense, almost every statistic is "derived". The term is mainly used to denote descriptive statistical quantities obtained from data which are primary in the sense of being mere summaries of observations, e.g. population figures are primary and so are geographical areas, but population-per-square-mile is a derived quantity.

Source Publication:
Marriott, F.H.C for the ISI, "A Dictionary of Statistical Terms", 5th edition, Longman Scientific & Technical, New York , 1990.

Cross References:

Statistical Theme: Methodological information (metadata)

Glossary Output Segments:

Created on Tuesday, May 21, 2002

Last updated on Monday, December 19, 2005