Excel Comparative Chart
![Chart][1]


  [1]: http://i.stack.imgur.com/BxvHW.png

Please, how do I generate a comparison chart between these two sets of data?

Thanks in advance ...
Excel Comparative Chart
===

![Chart][1]


  [1]: http://i.stack.imgur.com/BxvHW.png

Please, how do I generate a comparison chart between these two sets of data?

Thanks in advance ...