Changes

<math>\chi^2=\sum\frac{(Oi-Ei)^2}{Ei}</math>

<math>\chi^2=\sum\frac{(Oi-Ei)^2}{Ei}</math>

The degrees of freedom are: (r–1)(c–1)

The degrees of freedom are: <math>(r–1)(c–1)</math>

*r = No. of rows

*r = No. of rows

*c = No. of columns

*c = No. of columns

Also this function will the result as Error when

Also this function will the result as Error when

#The x & df values are non-numeric

#The <math>x</math> & <math>df</math> values are non-numeric

#The x value is negative or df value is not an integer

#The <math>x</math> value is negative or <math>df</math> value is not an integer

#The df <1 or df>10^10

#The <math>df < 1<math> or <math>df > 10^10<math>

#Here  CHIDIST=P(X>x),where X is a <math>\chi^2</math> random variable.  

#Here  CHIDIST=P(X>x),where X is a <math>\chi^2</math> random variable.