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CHIINV Function

The CHIINV function is one of the statistical functions. It is used to return the inverse of the right-tailed probability of the chi-squared distribution.

The CHIINV function syntax is:

CHIINV(probability, deg-freedom)


probability is the probability associated with the chi-squared distribution. A numeric value greater than 0 and less than 1.

deg-freedom is the number of degrees of freedom. A numeric value greater than or equal to 1 but less than or equal to 10^10.

The values can be entered manually or included into the cells you make reference to.

To apply the CHIINV function,

  1. select the cell where you wish to display the result,
  2. click the Insert function Insert function icon icon situated at the top toolbar,
    or right-click within a selected cell and select the Insert Function option from the menu,
    or click the Function icon icon situated at the formula bar,
  3. select the Statistical function group from the list,
  4. click the CHIINV function,
  5. enter the required arguments separating them by commas,
  6. press the Enter button.

The result will be displayed in the selected cell.

CHIINV Function

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