Question

in the class test student get marks as followed 2,7,5,7,8,9,9,3,4,5,9. find mean, range, mode, median

Answer 1

mean = 2+7+5+7+8+9+9+3+4+5+9=68
=68\11= 6.181
mode=9
median= n=11(which is odd)
= 1\2(11+1)
=
$12 \times \frac{1}{2}$
=6 ( value of sixth term )
=9