FDIST(x, degrees_freedom1, degrees_freedom2)

Returns the probability of getting less than or equal to a particular value in an f distribution (no cumulative) (left tailed).

xThe number from the distribution.
degrees_freedom1The numerator degrees of freedom.
degrees_freedom2The denominator degrees of freedom.

Remarks

* F.DIST was added in Excel 2010 to replace this function.
* F.DIST.RT was added in Excel 2010 to replace this function.
* The f distribution is a continuous distribution.
* The f distribution is not symmetrical.
* If "x" < 0, then #NUM! is returned.
* If "x" is not numeric, then #VALUE! is returned.
* If "degrees_freedom1" < 1, then #NUM! is returned.
* If "degrees_freedom1" = 10^10, then #NUM! is returned.
* If "degrees_freedom1" is not an integer, it is truncated.
* If "degrees_freedom1" is not numeric, then #VALUE! is returned.
* If "degrees_freedom2" < 1, then #NUM! is returned.
* If "degrees_freedom2" = 10^10, then #NUM! is returned.
* If "degrees_freedom2" is not an integer, it is truncated.
* If "degrees_freedom2" is not numeric, then #VALUE! is returned.
* All the values are greater than zero.
* In Excel 2010 the accuracy of this function was improved.
* For the Microsoft documentation refer to support.office.com

 A
1=FDIST(15.207,6,4) = 0.01
2=FDIST(5,1,2) = 0.155
3=FDIST(1,1,1) = 0.5
4=FDIST(5,1,0.5) = #NUM!
5=FDIST(5,0.5,2) = #NUM!
6=FDIST(5,"some text",2) = #VALUE!


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