Given forecast errors of $14,4,$ and $-7,$ what is the mean absolute deviation $($MAD$)$ and mean square error $($MSE$)?$

Note: Round your answer to $2$ decimal places.

Answer is complete but not entirely correct.

$\backslash$table$[[\backslash$table$[[$Mean absolute deviation$],[($MAD$)]],8\mathrm{.}67$