4-week Moving Average A(t) Forecast Difference reviatior Percent Forecast Error Deviation Percent 1 Exponential Smoothing Example 2 3 Alpha Period 5 t Observed SU 1 73 2 106 3 3 76 4 89 0 5 106 1 6 1.13 7 96 3 8 66 4 9 104 5 10 73 11 77 7 12 119 8 13 84 14 0 15 88 1 16 97 2. 17 69 3 18 117 19 80 5 20 73 8 7 For periods 5-20 71 MSE MAD MAPE MSE VAPE 0 1 ExpSmooth Using the data in the file provided here (click here), build a table to calculate the exponential smoothing vaiue for period 15 Use Alpha -0.2 What is the S(t) value (smoothed value) for period 152 Type your answer below (Use two decimais accuracy. Answer 4-week Moving Average A(t) Forecast Difference reviatior Percent Forecast Error Deviation Percent 1 Exponential Smoothing Example 2 3 Alpha Period 5 t Observed SU 1 73 2 106 3 3 76 4 89 0 5 106 1 6 1.13 7 96 3 8 66 4 9 104 5 10 73 11 77 7 12 119 8 13 84 14 0 15 88 1 16 97 2. 17 69 3 18 117 19 80 5 20 73 8 7 For periods 5-20 71 MSE MAD MAPE MSE VAPE 0 1 ExpSmooth Using the data in the file provided here (click here), build a table to calculate the exponential smoothing vaiue for period 15 Use Alpha -0.2 What is the S(t) value (smoothed value) for period 152 Type your answer below (Use two decimais accuracy