A Photographic View of Cumulative Distribution Functions

Robert W. Jernigan American University, Washington, DC
Journal of Statistics Education Volume 16, Number 1 (2008), www.amstat.org/publications/jse/v16n1/jernigan.html
Copyright © 2008 by Robert W. Jernigan all rights reserved.

Abstract
This article shows a concrete and easy recognizable view of a cumulative distribution function(cdf). Photograph views of the search tabs on dictionaries are used to increase students’ understanding and facility with the concept of a cumulative distribution function. Projects for student investigations are also given. This motivation and view helps the cdf become a bit more tangible and understandable.

Keywords: Alphabet; Kolmogorov; Probability distribution function(pdf); Scrabble; Smirnov; Student projects.

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