F.INV.RTThe F.INV.RT function calculates the inverse of the right-tailed F probability distribution. Also called the Fisher-Snedecor distribution or Snedecor’s F distribution.
Sample Usage
F.INV.RT(0.42, 2, 3)
F.INV.RT(A2, B2, C2)
Syntax
F.INV.RT(probability, degrees_freedom1, degrees_freedom2)
probability – The probability associated with the right-tailed F-distribution.
Must be greater than 0 and less than 1.
degrees_freedom1 – The number of degrees of freedom of the numerator of the test statistic.
degrees_freedom2 – The number of degrees of freedom of the denominator of the test statistic.
Notes
Both degrees_freedom1 and degrees_freedom2 are truncated to an integer in the calculation if a non-integer is provided as an argument.
Both degrees_freedom1 and degrees_freedom2 must be at least 1.
All arguments must be numeric.
F.INV.RT is synonymous with FINV.
See Also
CHIINV: Calculates the inverse of the right-tailed chi-squared distribution.
F.DIST: Calculates the right-tailed F probability distribution (degree of diversity) for two data sets with given input x. Alternately called Fisher-Snedecor distribution or Snedecor’s F distribution.
F.INV: Calculates the inverse of the left-tailed F probability distribution. Also called the Fisher-Snedecor distribution or Snedecor’s F distribution.
FTEST: Returns the probability associated with an F-test for equality of variances. Determines whether two samples are likely to have come from populations with the same variance.
TINV: Calculates the inverse of the two-tailed TDIST function.
Example
Suppose you want to find the cutoff for the F statistic associated with a p-value of 0.05. With 4 and 5 as the degrees of freedom, you can consider any F statistic larger than 5.19 to be statistically significant.
A
B
C
D
1
Probability
Degrees freedom numerator
Degrees freedom denominator
Solution
2
0.05
4
5
5.192167773
3
0.05
4
5
=F.INV.RT(0.05, 4, 5)
4
0.05
4
5
=F.INV.RT(A2, B2, C2)