The Following Is the List of MAD Statistics for Each

Multiple Choice

The following is the list of MAD statistics for each of the models you have estimated from time-series data: $$\begin{array} { | l | l | } \hline \text { Model } & \text { MAD } \\\hline \text { Linear Trend } & 1.38 \\\hline \text { Quadratic Trend } & 1.22 \\\hline \text { Exponential Trend } & 1.39 \\\hline \text { Second-order Autoregressive } & 0.71 \\\hline\end{array}$$ Based on the MAD criterion, the most appropriate model is

A) linear trend.
B) quadratic trend.
C) exponential trend.
D) second-order autoregressive.