Comparing chalk with cheese, and also apples with oranges, is just a way of saying you an't compare two things with so little in common. That's why they invented statistics, so that you can prove any two things are the same, using any set of figures you choose. As can be seen from the arguments above, statistics like beauty are in the eye of the beholder. Always remember the mantra, "There are lies, damned lies, and then there are statistics"
Failte.....Giok