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parametric statistics

A Dictionary of Sociology | 1998 | | © A Dictionary of Sociology 1998, originally published by Oxford University Press 1998. (Hide copyright information) Copyright

parametric statistics A branch of statistical inference which makes assumptions about the underlying mathematical distributional form of observed variables. The most familiar of these hypothetical mathematical distributions is the normal distribution. Binomial and Poisson distributions are also widely used. Some statisticians believe that these models are inappropriate to the social sciences, since they rest on assumptions that are violated by much social science data, and prefer instead to rely on non-parametric statistics.

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