Please complete the following problem.
Month 1 , 2, 3, 4, 5, 6, 7, 8, 9, 10 , 11, 12
Dmd 62, 65, 67, 68, 71, 73, 76, 78, 78, 80, 84, 85
1. Develop forecasts for period 13 using, a 2- period moving average, a weighted moving average ( Wt-1= 0.7 and Wt-2= 0.3), and exponential forecast ( alpha= 0.20.
2. Evaluate the quality of the forecasts using, Bias, MAD, MAPE.
3. What is your assessment of the forecasting methods used?