1. The MAD for Method 1 is

_______

thousand gallons (round your response to three decimal places).

Part 5

Mean squared error (MSE) is the average of

(ActualForecast)2.

For the information given in Method 1, the value of n =

4.

The value of

(ActualForecast)2

will be

______________

(thousand gallons)2

(round your response to three decimal places).

Part 6

3. The mean squared error (MSE) for Method 1 is

____________

(thousand gallons)2

(round your response to three decimal places).

Part 7

4. The absolute deviation based on the forecast developed using Method 2 adds to

__________

thousand gallons (round your response to three decimal places).

Part 8

5. The MAD for Method 2 is

___________

thousand gallons (round your response to three decimal places).

Part 9

6. The relationship for calculating

MSE = (Forecast Error)2n.

For the given information, in this relationship n =

4.

The value of

(ActualForecast)2for

Method 2 will be

______________

(thousand gallons)2

(round your answer to three decimal places).

Part 10

6. The mean squared error (MSE) for Method 2 is

___________

(thousand gallons)2

(round your response to three decimal places).

thousands of gallons: \begin{tabular}{ccc} \hline Week & Forecast Method 1 & Actual Demand \\ \hline 1 & 0.90 & 0.70 \\ 2 & 1.08 & 0.98 \\ 3 & 0.97 & 1.00 \\ 4 & 1.17 & 0.97 \\ \hline \end{tabular} \begin{tabular}{ccc} \hline Week & Forecast Method 2 & Actual Demand \\ \hline 1 & 0.82 & 0.70 \\ 2 & 1.19 & 0.98 \\ 3 & 0.92 & 1.00 \\ 4 & 1.11 & 0.97 \\ \hline \end{tabular}