Graph/chart/map and citation

http://www.google.com/imgres?q=graph+of+school+tardies&hl=en&safe=active&gbv=2&tbm=isch&tbnid=Vj7TxeV2N-9WYM:&imgrefurl=http://www.lf67.org/dashboard/student_achievement/student_attendance.html&docid=aFbqY2IcoPFB2M&itg=1&w=371&h=435&ei=_8Z4TpC2LI2ftwfRnuCwDA&zoom=1&biw=1024&bih=600&iact=rc&dur=250&page=1&tbnh=120&tbnw=101&start=0&ndsp=15&ved=1t:429,r:0,s:0&tx=83&ty=92&surl=1
This graph show the tardies to school thru 06-10 the green stands for people who have no tardies and yellow stands for people who have from 1-5 tardies and the red stands for people who have over 6 tardies.