Discuss the below:
Q: Sales of Volkswagen's popular Beetle have grown steadily at auto dealerships in Nevada during the past 5 years?
Year Sales
1 450
2 495
3 516
4 563
5 585
a). Forecasted sales for year 6 using a 3-year moving average is nothing sales?
b).The MAD for a 3-year moving average based forecast is
c). The MSE for a 3-year moving average based forecast is