Question: 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.

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:

Week Forecast Method 1 Actual Demand Week Forecast Method 2 Actual Demand

1 .95 .70 1 .82 .70

2 1.02 1.00 2 1.19 1.00

3 .92 .96 3 .92 .96

4 1.17 1.00 4 1.17 1.00

The MAD for Method 1 = ___ (round to three decimals)

The mean squared error for method 1 = ___ (round answer to three decimals)

The MAD for method 2 = __ (round to three decimals)

The mean squared error for method 2 = ___ (round answer to three decimals)

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