problem with calculating average

Hi,
I am doing simple maths to get average, so i add the total score and get the number of games played and divide it together
but when i calculate it myself, its going 20+ points short. anyone know why?
I am doing simple maths to get average, so i add the total score and get the number of games played and divide it together
but when i calculate it myself, its going 20+ points short. anyone know why?
Comments
only a guess
kipper