Respuesta :

bigriz87

Answer:

12

Step-by-step explanation:

The mean is the average. Which is all of the numbers added together divided by the amount of numbers.

11+8+18+9+15+11=72

72÷6=12

somelesbian

Answer:

12

Step-by-step explanation:

11 + 8 + 18 + 9 + 15 + 11 = 72

Divide by how many numbers are in the list.

there are 6 in the list so 72 divided by 6 = 12

Formula: Add all of the numbers together. Then take that answer and divide it by how many numbers in the set list there are.

Hope this helps!

Have a lovely day!