Respuesta :

Answer:

Mean: 72.8

Range: 28

Step-by-step explanation:

60, 66, 70, 71, 75, 80, 88

Mean: 60 + 66 + 70 + 71 + 75 + 80 + 88 = 510/7 = 72.8

Range: 88 - 60 = 28