Bold b$.$

Compute the MAD for each model.

Linear

Quadratic

MAD

$$

$19\mathrm{.}160$

$$

enter your response here

$($Round to three decimal places as$$ needed.$)$

Bold c$.$ On the basis of$($a$)$ and$($b$)$ and the principle of$$ parsimony, which forecasting model would you$$ select?

The model with the

smallest

values of Upper S Subscript YX and MAD should be$$ used, which is the