Answer:
1. Mean x¯¯¯ 86
Median x˜ 85
Mode 85
2. Mean x¯¯¯ 19.714285714286
Median x˜ 20
Mode 12, 14, 20, 19, 23, 22, 28
3. Mean x¯¯¯ 28.333333333333
Median x˜ 27
Mode 24, 34, 27
4. Mean x¯¯¯ 103.5
Median x˜ 102
Mode 102, 100
5. Mean x¯¯¯ 82.818181818182
Median x˜ 84
Mode 84