Respuesta :

Answer:

76, 11.2, 11

Step-by-step explanation:

1. (82+72+45+91+58+83+65+87+90+77+73+89)/12= 912/12 = 76

2. (6+4+31+15+18+7+11+11+14+1+3+13)/12= 134/12= 11.2

3. 11 students

76,11.2,11 is the answer
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