Question

If the mean of x+2,x+4,x+6,x+8 is 24 .find x

Answer 1

Mean = Sum of observations/ Number of observations.

x+2+x+4+x+6+x+8/4 = 24

4x+20 = 24×4

4x+20 = 96

4x = 96-20

4x = 76

x = 76/4

x = 19