Approximations to the t distribution

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Issue Date
2015
Authors
Zogheib, Bashar
Elsaheli, Ali
Keywords
Type
Journal Article
Peer-Reviewed
Abstract
In this paper, a few formulas are found to approximate the t cumulative distribution function. The formulas found in [5] to approximate the normal distributions are used to get good approximations for t. The derived formulas give good approximation for degrees of freedom greater than 3 and if the exact probabilities are less than 0.9.
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