Actual Demand

Forecasted Demand

$\backslash$table$[[15,14],[15,16],[18,18],[20,20],[21,22]]$

Based on the information given in the table above, what is the MAD?

$2\mathrm{.}5$

$1\mathrm{.}6667$

$4\mathrm{.}5$

$1\mathrm{.}3333$