In examining the data below, the manager exclaimed that he was very happy to see no bias in the forecasts. How would you respond to the manager?

Period

Actual Demand

Forecast

$1$

$345$

$320$

$2$

$320$

$310$

$3$

$335$

$350$

$4$

$310$

$340$

$5$

$370$

$350$