Question

What is the mean of 4,6,7,7,11,12,15,18,20

Answer 1

at first add all the number and divide it by how many numbers are there

4+6+7+7+11+12+15+18+20

= 100

now

divide

100÷ 9

11.1

Answer 2

Answer:

11.1111111111 or 1.1 <-(rounded)

Step-by-step explanation:

4+6+7+7+11+12+15+18+20= 100

divide by the number of values we have. we have 9 values

100/9=11.1111111111

I hope this helped