Each student in a class has taken five tests. the teacher allows the students to pick the mean, median, or mode of each set of scores to be their average. which measure of center should each student pick in order to have the highest average? 1. 100, 87, 81, 23, 19 2. 90, 80, 74, 74, 72 3. 80, 80, 70, 67, 68 4. 75, 78, 77, 70, 70 5. 100, 47, 45, 32, 31 6. 86, 86, 77, 14, 12 7. 79, 78, 77, 76, 85 8. 86, 80, 79, 70, 70