Question

If mean of 5 observations x , x+2 , x+4 , x+6 , x+8 is 11. Find the x

Answer 1

Answer:

2/5

Step-by-step explanation:

5 observations are x , x+2, x+4 , x+6, x+8

mean = (x+x+2+x+4+x+6+x+8)/5

11=(5x+20)/5

55= 5x+20

35 =5x

x=7