Following are two weekly forecasts made by two different methods for the number of gallons of gasoline, in thousands, demanded at a local gasoline station. Also shown are actual demand levels in thousands of gallons-
Forecasts
week Method 1 Method 2 Actual Demand
1 0.95 0.77 0.70
2 1.05 1.21 0.98
3 0.92 0.92 0.96
4 1.22 1.11 1.04
The MAD for method 1 = ??
The mean squared error (MSE) for method 1= ??
The MAD for method 2 = ??
The mean squared error (MSE) for method 2= ??