Question

The mean of the 6 items below is 6. 2 x 2 7 4 12 Find the value of x.

Answer 1

9

Explanation:

Mean = sum of number / total number

6 = (2 + x + 2 + 7 + 4 + 12) / 6

Multiply both sides by 6

36 = 27 + x

Solve for x

x = 36 - 27 = 9