Quote:
Originally Posted by
crazyquik 
Can anyone explain why the graphs are really spikey/peaky from ages 0-20, and then smooth out?
My guess is that each individual age is counted before 20 (data set 1,2,3,4,5,6,7,etc), then after 20 it is grouped, like 20-25, 26-30, etc. Otherwise, no idea. I'm in this dump for another 6 days.

