Answer :
Answer:
12
Step-by-step explanation:
add all the ages up together to get 120
Then divide the total by the number of ages
since there are 10 students, divide by 10 to get 12
Mean = average
Answer:
12
Step-by-step explanation:
To find the mean, you have to add all of the numbers together and divide by the amount of numbers.
13 + 11 + 12 + 15 + 16 + 11 + 12 + 4 + 15 + 11 = 120
120 / 10 = 12