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Probability Density Plots of the Non-Central t-Distribution

Kenneth J. Levy and Subhash C. Narula
International Statistical Review / Revue Internationale de Statistique
Vol. 42, No. 3 (Dec., 1974), pp. 305-306
DOI: 10.2307/1402988
Stable URL: http://www.jstor.org/stable/1402988
Page Count: 2
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Abstract

Largely for pedagogical purposes, the authors have plotted two sets of curves which permit one to observe how the non-centrality parameter affects the shape of the non-central t-distribution. In one set, the non-centrality parameter was held constant (λ = 2) and the degrees of freedom were varied (n = 1, 3, 5, 10); in the second set, for n = 5 degrees of freedom, the non-centrality parameter was varied (λ = -5, -2, 0, 2, 5).

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