Question

If the mean of five observations x,x+2,x+4,x+6,x+8is 11 then write the value of x

Answer 1

Answer:

x= 7

Step-by-step explanation:

MEAN=x+x+2+x+4+x+6+x+8 / 5

11 = x+x+2+x+4+x+6+x+8 / 5

11 = 5x+20/5

11*5=5x+20

55=5x + 20

55-20  = 5x

35= 5x

x =35/5=7