TINV (percentiles of the t-distribution)

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TINV (percentiles of the t-distribution)

Note: TINV is supplemented by the new identical function T.INV.2T and the completely new function T.INV, which are available in newer versions of Microsoft Excel (2010 or later).

Syntax:

TINV(Probability, DegreesFreedom)

Description:

This returns the inverse of the two-tailed Student's t-distribution function (i.e., percentiles of this distribution).

Probability is the two-tailed probability to be evaluated. The values must be within the range 0 to 1.

DegreesFreedom is the number of degrees of freedom. This value must be ≥ 1. Integers are expected; if this is not the case, PlanMaker automatically truncates the decimal places.

Please note: The result of this function is calculated using an iteration method. If, after 100 iterations, PlanMaker does not find a result that deviates less than ±3x10^-7 from Probability, it displays the error value #N/A and cancels the approximation.

See also:

T.INV.2T/T.INV, T.TEST/TTEST, T.DIST.2T/T.DIST.RT/T.DIST/TDIST