Number of Students 45 40 35 30 25 20 15 10 10 5 3 0 0 10 15 20 20 12 24 21 21 30 25 30 35 40 40 Grade 39 21 0 45 50 55 C 19% D 12% F 8% B 35% A 26% Number of Transactions 250 200 150 100 50 50 169 191 151 187 160 186 0 Store 1 Store 2 Store 3 Month 1 Month 2