A batsman scores $38, 70, 48, 34, 42, 55, 63, 46, 54 \: and \: 44$ in 10 innings. Find his mean deviation from median.

Question

$\begin {array} {1 1} (A)\;8 & \quad (B)\;8.6 \\ (C)\;8.9 & \quad (D)\;9 \end {array}$