Question

If the mean of five observations x,x+2,
X + Y, X + 6 x+8 is
vlume of
find the
X Х​

Answer 1

Answer:

$\huge \green{13}$

Answer 2

Answer:

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

5x+20=55

5x=35,x=7