Answer :

siwajo747

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

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