Respuesta :

Answer:

10.375

Step-by-step explanation:

To find the mean, you need to add up all of the numbers and then divide by the amount of numbers.

4 + 5 + 8 + 12 + 12 + 13 + 14 + 15 = 83

83 ÷ 8 = 10.375

lsks

Answer:

3.53

Step-by-step explanation:

Total numbers: 8

Mean: 10.375

Mean absolute deviation: 3.53125