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Erschienen in:
1996 | OriginalPaper | Buchkapitel
Measures of Variability
verfasst von : T. W. Anderson, Jeremy D. Finn
Erschienen in: The New Statistical Analysis of Data
Verlag: Springer New York
Enthalten in: Professional Book Archive
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Although for some purposes an average may be a sufficient description of a set of data, usually more information about the data is needed. An important feature of statistical data is their variability—how much the measurements differ from individual to individual. In this chapter we discuss the numerical evaluation of variability. A synonym for variability is dispersion, and other terms are sometimes used for the same concept including “spread” or “scatter.”