145 1 15. 10 W 100 119.62 10 85 115.36 X 11 100 109.02 X 12 115 105.92 x 13 105.83 X c. Use a smoothing constant of a = 0.5 to compute the exponential smoothing forecasts (to 2 decimals). Time-Series Month Value Forecast 110 140 110 W N 115 125 110 120 95 115 125 105 V 150 115 XXXXX 6 6 6 6 6 6 CO 145 137.50 100 141.25 10 85 120.63 11 100 102.81 12 115 101.41 13 108.70 X Compute MSE (to 2 decimals). MSE (a = 0.1): MSE (a = 0.5)