Changes

and

and

:<math>SY^2=\frac{1}{m-1} \sum_{i=1}^m (Yi-\bar Y)^2</math>

:<math>SY^2=\frac{1}{m-1} \sum_{i=1}^m (Yi-\bar Y)^2</math>

*Then the Test Statistic = <math>\frac {Sx^2}{Sy^2}</math> has an F-distribution with <math> 'n−1' </math> and <math> m−1</math> degrees of freedom.

*Then the Test Statistic = <math>\frac {Sx^2}{Sy^2}</math> has an F-distribution with 'n−1' and  'm−1' degrees of freedom.

*In FTEST(array1,array2) where <math>array1</math> is the data of  first array, <math>array2</math> is the data of second array.  

*In FTEST(array1,array2) where <math>array1</math> is the data of  first array, <math>array2</math> is the data of second array.  

*The array may be any numbers, names, or references that contains numbers.  

*The array may be any numbers, names, or references that contains numbers.