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ChiInv - script and chart function

ChiInv() returns the inverse of the one-tailed probability of the chi2 distribution.


ChiInv(prob, degrees_freedom)

Return data type: number


CHIINV arguments
Argument Description
prob A probability associated with the chi2 distribution. It must be a number between 0 and 1.
degrees_freedom An integer stating the number of degrees of freedom.

This function is related to the ChiDist function in the following way:
If prob = ChiDist(value,df), then ChiInv(prob, df) = value


All arguments must be numeric, else NULL will be returned.

Examples and results:  

Examples and results
Example Result
ChiInv(0.9237827, 15 ) Returns 8.0000

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