Problem $1($questions $1,2,$ and $3)$

Data Table

What is the MAD for Forecast # $1?$

Question $1$ options:

A$)$

$2\mathrm{.}05$

B$)$

$1\mathrm{.}95$

C$)$

$1\mathrm{.}75$

D$)$

$2\mathrm{.}15$