Using simple moving averages and the following time series data, respond to each of the items. Period Demand 1 130 2 122 3 121 4 112 5 143 6 105 7 116 8 118 9 142 10 125 b. Compute all possible forecasts using a six-period simple moving average model. (Round your answers to 1 decimal place.) Period Demand 6-Period SMA Absolute Error 1 130 0.0 0.0 2 122 0.0 0.0 3 121 0.0 0.0 4 112 0.0 0.0 5 143 0.0 0.0 6 105 0.0 0.0 7 116 _____ ______ 8 118 ______ _______ 9 142 ______ ______ 10 125 ________ ________ 11 124.8 0.0 e. What is the error associated with the eleventh-period forecast? (Round your answer to 1 decimal place.) Error associated with the eleventh period forecast _________
Using simple moving averages and the following time series data, respond to each of the items.
| Period | Demand |
| 1 | 130 |
| 2 | 122 |
| 3 | 121 |
| 4 | 112 |
| 5 | 143 |
| 6 | 105 |
| 7 | 116 |
| 8 | 118 |
| 9 | 142 |
| 10 | 125 |
b. Compute all possible forecasts using a six-period simple moving average model. (Round your answers to 1 decimal place.)
Period Demand 6-Period SMA Absolute Error
1 130 0.0 0.0
2 122 0.0 0.0
3 121 0.0 0.0
4 112 0.0 0.0
5 143 0.0 0.0
6 105 0.0 0.0
7 116 _____ ______
8 118 ______ _______
9 142 ______ ______
10 125 ________ ________
11 124.8 0.0
e. What is the error associated with the eleventh-period forecast? (Round your answer to 1 decimal place.)
Error associated with the eleventh period forecast ___________
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