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Approximating the Student's t-Tail Probability and Its Inverse
Published online by Cambridge University Press: 27 July 2009
Abstract
This paper proposes a logistic approximation to the upper tail of the t distribution and its inverse that is more convenient and more accurate than those of Shah and Allen [3], and Koehler [1] and Lin [2], when measured in terms of the number of keystrokes and absolute relative errors, respectively.
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- Probability in the Engineering and Informational Sciences , Volume 6 , Issue 1 , January 1992 , pp. 133 - 137
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- Copyright © Cambridge University Press 1992
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