Question

The mean of 6, y, 7.x and 14 is 8. Which of
the following is true?​

Answer 1

Step-by-step explanation:

Mean of observations = Σx_i/N

6+7+X+y+14/5=8

27+x+y=40

x+y=40-27

y=13-x

or

x=13-y