d$.$ An er

his table from auestions $71013$

$\backslash$table$[[\frac{18}{02}\frac{?}{2023},987,874],[\frac{19}{02}\frac{?}{2023},785,],[\frac{20}{02}\frac{?}{2023},,],[\frac{21}{02}\frac{?}{2023},,]]$ weighted Moving Average forecast from $\frac{16}{02}\frac{?}{2023}$ to $\frac{19}{02}\frac{?}{2023}?$

a$.420$

b$.422$

$1385$

b$.68$

c$.66$

d$.$ None of the above

$9.(0\mathrm{.}5$ pts$).$ Which one of the following is the sum of absolute errors for a period

Simple Moving Average forecast from $\frac{16}{02}\frac{?}{2023}$ to $\frac{19}{02}\frac{?}{2023}?$

a$.708$

b$.482$

c$.707$

d$.484$

$10.(0\mathrm{.}5$ pts$).$ Which one of the following is the MAD Value of the $4$ period simple moving average forecast from $16/02/2023$ to $19/02/2023?$ Round up whatever the decimals.

MAD$=\frac{{\displaystyle \underset{i=1}{\overset{n}{}}}|A_t-F_t|}{n}$

a$.67$

b$.68$

c$.66$

d$.$ None of the above