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Pearson, Larry M.1
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Rahman, Rumanur1
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The Mode of a Probability Mass Function
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Broca, D. S. – International Journal of Mathematical Education in Science & Technology, 2006
A simple, direct condition is formulated for determining the mode(s) of a probability mass function. This condition is then applied to the Poisson and hypergeometric mass functions.
Descriptors: Probability, Geometry, Statistical Distributions, Equations (Mathematics)
Quantiles for Finite Mixtures of Normal Distributions
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Rahman, Mezbahur; Rahman, Rumanur; Pearson, Larry M. – International Journal of Mathematical Education in Science & Technology, 2006
Quantiles for finite mixtures of normal distributions are computed. The difference between a linear combination of independent normal random variables and a linear combination of independent normal densities is emphasized. (Contains 3 tables and 1 figure.)
Descriptors: Computation, Equations (Mathematics), Calculus, Statistical Distributions