## Excel FINV Function

### Description

The Excel FINV function returns the inverse of the (right-tailed) F probability distribution. If p (probability) = FDIST(x,…), then FINV(p,…)= x.

Note: This function has been replaced with F.INV.RT function that may provide improved accuracy after Excel 2010 version. This function is still can be available but considering it may be not available in the future, you should better study to use the new function from now.

Formula syntax

FINV(probability,deg_freedom1,deg_freedom2)

Arguments

 Probability: Required, the probability of the F cumulative distribution. Deg_freedom1: Required, the numerator degrees of freedom. It must be > 1. Deg_freedom2: Required, the denominator degrees of freedom. It must be > 1.

### Remarks

1. The function returns #VALUE! error value if any arguments of FINV function is a non-numeric value.

2. The function returns #NUM! error value when:

• Either probability is < 0 or > 1;
• Deg_freedom1 is <1 or ≥10 ^ 10;
• Deg_freedom2 is <1 or ≥10 ^ 10; .

3. If deg_freedom1 or deg_freedom2 is not an integer, it will be truncated.

### Version

Excel 2010 and later versions

### Usage and Examples

Basic usage

For instance, in list C2:C4 contains arguments probability, deg_freedom1, and deg_freedom2, to get the relative inverse of the F probability, please use the formula as these:

=FINV(C2,C3,C4)

Press Enter key.

#### Other Functions:

• Excel F.INV Function
The Excel F.INV function returns the inverse of F probability distribution. If p (probability) = F.DIST(x,…), then F.INV(p,…)= x.

• Excel FDIST Function
The Excel FDIST Function returns the (right-tailed) F probability distribution which is usually used to measure the degree of diversity between two data sets.

• Excel EXPON.DIST Function
EXPON.DIST function used in Excel 2010, returns the exponential distribution based on the given x value and the parameter of the distribution.

• Excel F.DIST Function
The Excel F.DIST function returns the F probability distribution which is usually used to measure the degree of diversity between two data sets.

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