not sure how they got each answer. please show work

a) Assuming an initial forecast for week 1 of 15,000 miles, use exponential smoothing to compute miles for weeks 2 through 12. Use a = 0.22 fround your responses to two decimal places). 1 2 3 8 9 10 11 12 Week Forecasted Passenger Miles (in thousands) 15.00 15.00 16.10 16.09 17.16 17.12 16.87 17.12 17.09 18 17 18.13 16.78 WE b) The MAD for this model = 2.17 thousa n d your response to two decimal places). c) Compute the Cumulative Forecast E c umul MAD in thousands and tracking signals (round your responses to two decimal places) at Cumulative Tracking Cumulative Forecast Errors Tracking Signal MA Forecast Errors 10.000 5.00 14.90 MAD 1.78 0.00 967 to 2.50 a 10 Nos 1982 OR 8 NN 8.54 Are the tracking signals within acceptable limits? fit the controllimits for the tracking signal are set at +SMADs. The tracking signals are not within acceptable limits. Question is complete. Tap on the red Indicators to see incorrect answers All parts showing Similar Question a) Assuming an initial forecast for week 1 of 15,000 miles, use exponential smoothing to compute miles for weeks 2 through 12. Use a = 0.22 fround your responses to two decimal places). 1 2 3 8 9 10 11 12 Week Forecasted Passenger Miles (in thousands) 15.00 15.00 16.10 16.09 17.16 17.12 16.87 17.12 17.09 18 17 18.13 16.78 WE b) The MAD for this model = 2.17 thousa n d your response to two decimal places). c) Compute the Cumulative Forecast E c umul MAD in thousands and tracking signals (round your responses to two decimal places) at Cumulative Tracking Cumulative Forecast Errors Tracking Signal MA Forecast Errors 10.000 5.00 14.90 MAD 1.78 0.00 967 to 2.50 a 10 Nos 1982 OR 8 NN 8.54 Are the tracking signals within acceptable limits? fit the controllimits for the tracking signal are set at +SMADs. The tracking signals are not within acceptable limits. Question is complete. Tap on the red Indicators to see incorrect answers All parts showing Similar