Question

1) If the mean of five
observations x, x+2)
x+4, X+6 and x+8 is
13 find the valure of
X

Answer 1

Step-by-step explanation:

mean=sum of observations/no.of observations

x+x+2+x+4+x+6+x+8/5=13

5x+20=65

5x=65-20

5x=45

x=9