Respond to each of the items using the following time series data.

Period	Demand
1	20
2	46
3	25
4	9
5	17
6	8
7	19
8	34
9	39
10	4
11	30
12	23
13	10
14	27

b. Compute all possible forecasts using exponential smoothing with a smoothing coefficient () of 0.3. (Negative amounts should be indicated by a minus sign. Round your answers to 3 decimal places.)

Period	Demand	Exponential Smooth	Error	Absolute Error
1	20
2	46
3	25
4	9
5	17
6	8
7	19
8	34
9	39
10	4
11	30
12	23
13	10
14	27
15

c. Compute all possible forecasts using exponential smoothing with a smoothing coefficient () of 0.7. (Negative amounts should be indicated by a minus sign. Round your answers to 3 decimal places.)

Period	Demand	Exponential Smooth	Error	Absolute Error
1	20
2	46
3	25
4	9
5	17
6	8
7	19
8	34
9	39
10	4
11	30
12	23
13	10
14	27
15

d. Compute the MADs for each forecast model. (Round your answers to 3 decimal places.)

	Average Forecast
For an alpha of 0.3, the MAD
For an alpha of 0.7, the MAD