Updated: 31 July 2015
Use T_INV to calculate the inverse of the left-tailed cumulative probability distribution of Student's t-distribution.
the probability to be evaluated. @Probability must be of a type float or of type that intrinsically converts to float.
the number of degrees of freedom. @df must of a type float or of a type that intrinsically converts to float.
· 0 < @df
· 0 < @Probability < 1
· If @Probability = 0.5 then zero is returned
In this example we calculate the value at 0.95 with 12 degrees of freedom.
) as T_INV
This produces the following result