Question

The mean deviation from mean of the following data $2,3,5,6,9$ is

Answer 1

Answer: 2

$\bar{x}=\frac{2+3+5+6+9}{5}$
$=\frac{25}{5}=5$
$M.D.=\frac{|2-5|+|3-5|+|5-5|+|6-5|+|9-5|}{5}$
$=\frac{10}{5}=2$