Question: help please!!!!! For problems 4 through 6, use the following time series data: MONTH January 2019 DEMAND 119 72 113 82 82 131 111 February

help please!!!!!
help please!!!!! For problems 4 through 6, use
For problems 4 through 6, use the following time series data: MONTH January 2019 DEMAND 119 72 113 82 82 131 111 February March April May June July August September October November December 116 89 95 88 90 4. (**) Develop a three-period moving average forecast for April 2019 through January 2020. Calculate the MFE, MAD, and MAPE values for April through December 2019. 5. (**) Develop a two-period weighted moving average fore- cast for March 2019 through January 2020. Use weights of 0.6 and 0.4, with the most recent observation weighted higher. Calculate the MFE, MAD, and MAPE values for March through December. 6. (**) Develop an exponential smoothing forecast (a = 0.3) for February 2019 through January 2020. Assume that your forecast for January 2019 was 100. Calculate the MFE, MAD, and MAPE values for February through December 2020. For problems 7 through 9, use the following time series data

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