Trey, an analyst for Ollie's Surf and Turf, has created forecasts using 8 different methods (seen below). The mean ab on this information, what is the Mean Absolute Deviation of the forecasting method should Trey keep using? Forecasting Method Mean Absolute Deviation Weighted Moving Average 54.95 3 Period Moving Average 54.08 4 Period Moving Average 64.58 Trend Projection 41.03 Exponential Smoothing (alpha=0.4) 52.10 Exponential Smoothing (alpha=0.6) 63.30 Exponential Smoothing (alpha=0.1) 60.15 Naive 71.46