1 * 1 + 2 * 6 + 3 * 3 + 4 * 5 + 5 * 6 + 6 * 1 + 7 * 5 + 8 * 2 = 129
1 + 6 + 3 + 5 + 6 + 1 + 5 + 2 = 29
129 / 29 = 4.448
looks like you are right
1.6m questions
2.0m answers