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keisanHigh-precision calculations for everyday life and work

Distribution of the Ratio (Quotient) of a Normal Distribution: Fieller-Hinkley

Author: tonagaiExecutions: 3009

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This calculates the distribution of the ratio (quotient) X1/X2 of two normal distributions, X1 and X2.
When the means of X1 and X2 are both 0, the distribution is a Cauchy distribution; otherwise, it becomes quite complex.
(Note) It appears there was a typographical error in the formula in the original paper, so I have corrected it to match the formula in another paper (see the last link) (June 2, 2023).
Average 1
Average 2
σ1
σ2
Correlation
Minimum value of z
Maximum value of z
z's increment

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