CHISQ.INV Returns the inverse of the left-tailed probability of the chi-squared distribution.
The chi-squared distribution is commonly used to study variation in the percentage of something across samples, such as the fraction of the day people spend watching television.
Syntax
CHISQ.INV(probability,deg_freedom)
Parameters
Probability – A probability associated with the chi-squared distribution.
Deg_freedom – The number of degrees of freedom.
Return Value
Returns the inverse of the left-tailed probability of the chi-squared distribution.
Reference Data
https://docs.microsoft.com/en-us/dax/dax-function-reference