Documentation/How Tos/Calc: CHITEST function

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Returns a measure of χ2 'goodness of fit'.


CHITEST(observed; expected)

observed and expected are ranges or arrays of observed and expected values. They must have the same number of rows and columns and there must be at least 2 values in each.
CHITEST calculates the χ2 statistic and degrees of freedom, then calls CHIDIST.


CHITEST({8;9;7;8}; {8;8;8;8})

returns approximately 0.969.


  • The draft international standard ODFF calls this function LEGACY.CHITEST, and points out that it has limited mathematical validity. CHITEST is compatible with the Excel CHITEST function.


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