Question content area

Part $1$

A forecasting method has produced the following over the past five months. What is the mean absolute percentage error$($MAPE$)?$

Actual

Forecast

$11$

$13$

$5$

$10$

$11$

$8$

$7$

$6$

$13$

$8$

A$.$

$34\mathrm{.}04\%$

B$.$

$31\mathrm{.}87\%$

C$.$

cannot be calculated with the information given

D$.$

$39\mathrm{.}64\%$

E$.$

$0\mathrm{.}00\%$