Next go to the ribbon to the Data tab. Click Data Analysis button.If you don’t have this button it means that you have to install Analysis ToolPak add-in.New dialog box appears. Click Anova: Single Factor option.Select Input Range which is your data table (only numbers). In my sheet it is $B$2:$F$6Anova test appears in the new worksheet.
Anova test could be useful for statistics of some sets of data. Excel does it really well.