Question

if the mean of 12,x,5,7,and 13 is 9. find the value of x.

Answer 1

yo!

mean= sum of observation/no. of observations

=>>> 12+x+5+7+13/5=9

=>>>37+x=45

=>>>x=8

if it helps uh then pls follow!

Answer 2

$\huge\underline\mathcal\red{♡ĂnSwer♡}$

=>> 12+x+5+7+13/5=9

=>> 37+x=45

=>> x=8