Question

Mean of 5 observations x,x+2,x+4,x+6,x+8 is11 find mean of first three observations

Answer 1

❤❤Here is your answer ✌ ✌

$\huge\boxed {\red {\bold {Answer}}}$

x+x+2+x+4+x+6+x+8 =11
5x+20=11
5x=11-20
5x=9
x=9/5