If the mean of 9, 8, 10, x, 12 is 15, find the value of x?
If the mean of 9, 8, 10, x, 12 is 15, find the value of x?
Explanation
Mean = (9 + 8 + 10 + x + 12) / 5 = 15
39 + x = 75 → x = 75 - 39 = 36
Mean = (9 + 8 + 10 + x + 12) / 5 = 15
39 + x = 75 → x = 75 - 39 = 36