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t-distributions/b>
(Math | Distributions | t-Distributions)

t-distributions graph
The t-distribution, with n degrees of freedom, is given by the equation:

f(t) = [ Gamma((n + 1)/2) (1 + x^2 / n)^(-n/2 - 1/2) ] / [ Gamma(n/2) sqrt(PI n) ] (See also Gamma Function.)

  
 
  

 
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