CHIINV (percentiles of the chi-square distribution)

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CHIINV (percentiles of the chi-square distribution)

Note: CHIINV is supplemented by the new identical function CHISQ.INV.RT, which is available in newer versions of Microsoft Excel (2010 or later).

Syntax:

CHIINV(Probability, DegreesFreedom)

Description:

Returns the inverse of the right-tailed probability of the chi-square distribution function (i.e., percentiles of this distribution).

Probability is the probability to be evaluated. Must be in the range 0 to 1.

DegreesFreedom is the number of degrees of freedom. Must be ≥ 1 and < 10^10. Integer numbers are expected. Digits to the right of the decimal point are ignored.

Note:

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

See also:

CHISQ.INV.RT, CHISQ.TEST/CHITEST, CHISQ.DIST.RT/CHIDIST