5.What is the MAD for the four-period weighted moving average forecast as of period 15?
6.What is the MAPE for the four-period weighted moving average forecast as of period 15?
A local restaurant has recorded the demand for bottled water in each of the last 15 months of business. Use the recorded demand data below to develop three-period and four-period moving- average forecasts for bottles of water Round off all calculations to two decimal places. Maintaining two decimal places is required for all calculations PeriodDemand Period Demand PeriodDemand 925 910 905 850 860 890 960 895 910 905 870 860 900 920 950 12 13 9 10 15 (Weights are t-0.3, t-1-0.2, t-2-0.3 and t-3-0.2)