Question

If the arithmetic means of 8, 4, x, 6, 2, 7 is 5, then the value of x is _________

Answer 1

Answer:

mean = sum of ob. / number of ob

8+4+6+2+7+x = 27 + x

number = 6

27+x/6 = 4

27+x = 6×4

27+x = 24

x = 24-27 = -3