Ed Rogers Owns an Appliance Store Which Is the Better Forecasting Model, Based on the MAD

Essay

Ed Rogers owns an appliance store. Sales data on a particular model of a DVD player for the past six months are shown below along with the results of two different forecasting models that were developed t:
$$\begin{array} { l c c c } \text { Month } & \text { Sales } & \text { Forecast 1 } & \text { Forecast 2 } \\\hline \text { Jan } & 35 & 30 & 33 \\\text { Feb } & 29 & 28 & 32 \\\text { Mar } & 39 & 43 & 35 \\\text { Apr } & 42 & 40 & 45 \\\text { May } & 51 & 48 & 52 \\\text { Jun } & 56 & 55 & 52\end{array}$$ Which is the better forecasting model, based on the MAD criterion?