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Cole, Julio H. – Teaching Statistics: An International Journal for Teachers, 2010
W. A. Wallis studied vacancies in the US Supreme Court over a 96-year period (1837-1932) and found that the distribution of the number of vacancies per year could be characterized by a Poisson model. This note updates this classic study.
Descriptors: Statistical Distributions, Goodness of Fit, Courts, Judges
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Bedwell, Michael – Teaching Statistics: An International Journal for Teachers, 2009
This article argues that the Normal distribution is often not a good model for anthropomorphic data.
Descriptors: Models, Statistical Distributions, Item Response Theory, Statistics