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Compatibility - FINV Function
The FINV function replaces the by F.INV.RT function in Excel 2010.
Description
The function returns the inverse of the (right-tailed) F probability distribution.
If p = FDIST(x...), then FINV (p...) = x.
The F distribution can be used in an F-test that compares the degree of variability in two data sets.
Syntax
FINV (probability,deg_freedom1,deg_freedom2)
Arguments
| Argument | Description | Required/ Optional |
|---|---|---|
| Probability | A probability associated with the F cumulative distribution. | Required |
| Deg_freedom1 | The numerator degrees of freedom. | Required |
| Deg_freedom2 | The denominator degrees of freedom. | Required |
Notes
If any argument is nonnumeric, FINV returns the #VALUE! error value.
If probability < 0 or probability > 1, FINV returns the #NUM! error value.
If deg_freedom1 or deg_freedom2 is not an integer, it is truncated.
If deg_freedom1 < 1 or deg_freedom1 ≥ 10^10, FINV returns the #NUM! error value.
If deg_freedom2 < 1 or deg_freedom2 ≥ 10^10, FINV returns the #NUM! error value.
FINV can be used to return critical values from the F distribution.
Given a value for probability, FINV seeks that value of x such that FDIST(x, deg_freedom1, deg_freedom2) = probability. Hence, precision of FINV depends on the precision of FDIST. FINV uses an iterative search technique. If the search has not converged after 100 iterations, the function returns the #N/A error value.
Example
