Question

A ser of esta consists of four scores…

Answer 1

x4 = 8

Explanation:

Answer 2

x4 = 8

Explanation:

To find the mean, add the values and divide by the number of values.

mean = (x1 + x2 + x3 + x4)/4

(3 + 12 + 7 + x4)/4 = 8

x4 + 22 = 32

x4 = 10