Question

0 113 / 205 Marks Find the mean of the following numbers: 7 21 2 17 3 13 7 4 9 7 9 ​

Answer 1

Mean = 9

Explanation:

Mean = Sum of given values/ No. of given values

Sum = 2+3+4+7+7+7+9+9+13+17+21

= 99

n = 11

Mean = 99/ 11

= 9

Answer 2

9

Explanation:

7+21+2+17+3+13+7+4+9+7+9=99

there are 11 numbers so you should 99 divided by 11

so answer is 9