Compute the Cumulative Forecast$$ Errors, cumulative MAD in$$ thousands, and tracking signals $($round your responses to two decimal$$ places$).$

Week

Cumulative Forecast Errors

MAD

Tracking Signal

Week

Cumulative Forecast Errors

MAD

Tracking Signal

$1$

$7$

$2$

$8$

$3$

$9$

$4$

$10$

$5$

$11$

$$

enter your response here

$$

enter your response here

$$

enter your response here

$6$

$12$