If M is the mean of x,y,z ; then what is the mean of x,z and y  Select the correct option
A) M B) 3M C) 10M D) M+10 E) M-10
order only changed   So new mean is M.   Mnswer (M)
<result>A</result>
If M is the mean of x,y,z ; then what is the mean of x,z and y