Question
Using the following time series data, respond to the following items. Period Quarter Sales 1 1 $ 867 2 2 895 3 3 742 4
Using the following time series data, respond to the following items.
| Period | Quarter | Sales | |
| 1 | 1 | $ | 867 |
| 2 | 2 | 895 | |
| 3 | 3 | 742 | |
| 4 | 4 | 689 | |
| 5 | 1 | 970 | |
| 6 | 2 | 834 | |
| 7 | 3 | 788 | |
| 8 | 4 | 793 | |
| 9 | 1 | 1,206 | |
| 10 | 2 | 988 | |
| 11 | 3 | 936 | |
| 12 | 4 | 677 | |
| 13 | 1 | 1,304 | |
| 14 | 2 | 1,040 | |
| 15 | 3 | 1,078 | |
| 16 | 4 | 938 | |
d. Evaluate a seasonally adjusted trend forecasting model. What is the MAD? (Round your answers to 3 decimal places.)
Using the following time series data, respond to the following items.
| Period | Quarter | Sales | |
| 1 | 1 | $ | 867 |
| 2 | 2 | 895 | |
| 3 | 3 | 742 | |
| 4 | 4 | 689 | |
| 5 | 1 | 970 | |
| 6 | 2 | 834 | |
| 7 | 3 | 788 | |
| 8 | 4 | 793 | |
| 9 | 1 | 1,206 | |
| 10 | 2 | 988 | |
| 11 | 3 | 936 | |
| 12 | 4 | 677 | |
| 13 | 1 | 1,304 | |
| 14 | 2 | 1,040 | |
| 15 | 3 | 1,078 | |
| 16 | 4 | 938 | |
Click here for the Excel Data File d. Evaluate a seasonally adjusted trend forecasting model. What is the MAD? (Round your answers to 3 decimal places.)
e. What are the quarterly indexes? (Round your answers to 3 decimal places.)
f. Forecast sales for future periods 17 through 20. (Round your answers to 3 decimal places.)
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Investments Analysis and Management
Authors: Charles P. Jones
12th edition
978-1118475904, 1118475909, 1118363299, 978-1118363294
