Please show work. 1) In order to decrease the responsiveness (volatility) of following forecast models, what can you do? Simple moving average method - describe in terms of averaging periods (number of data points to use): Exponential Smoothing method - describe in terms of "alpha value (smoothing constant): 2) The tracking signal is defined as TS = SUM (Actual Forecast) /MAD. You want to monitor the quality of a forecasting model by calculating the tracking signal. The tracking signals are calculated as below. What does this mean? Week 1 2 3 4 5 6 7 Tracking signal -1.5 -2.4 -5.5 -4.0 -6.2 -7.4 -7.9