1)What is the forecast for period 16 using the four-period weighted method?

(Weights are t=0.4, t-1=0.3, t-2=0.2 and t-3=0.1)

2)What is the MAD for the three-period weighted moving-average forecast as of period 15?

3)What is the MAPE for the three-period weighted moving average forecast as of period 15?

4)What is the MAD for the four-period weighted moving average forecast as of period 15?

5)What is the MAPE for the four-period weighted moving average forecast as of period 15?

6)Which forecast is the best (the three-period or four-period weighted method)?

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 weighted moving-average forecasts for bottles of water. Round off all calculations to two decimal places. Maintaining two decimal places is required for all calculations. Period Demand Period Demand Period Demand 795 6 910 | 11 835 890 915 12 875 925 780 13 855 880 900 114 920 850 10 805 895 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 weighted moving-average forecasts for bottles of water. Round off all calculations to two decimal places. Maintaining two decimal places is required for all calculations. Period Demand Period Demand Period Demand 795 6 910 | 11 835 890 915 12 875 925 780 13 855 880 900 114 920 850 10 805 895