Solution: An electronic retail company recorded the quarterly sales of TV sets for the past 4 years. The data is recorded in table 4 below. Year Sales (1000s)
Question:
An electronic retail company recorded the quarterly sales of TV sets for the past 4 years. The data is recorded in table 4 below.
| Year | Sales (1000s) | |||
| Quarter 1 | Quarter 2 | Quarter 3 | Quarter 4 | |
| 1 | 4.8 | 4.1 | 6.0 | 6.5 |
| 2 | 5.8 | 5.2 | 6.8 | 7.4 |
| 3 | 6.0 | 5.6 | 7.5 | 7.8 |
| 4 | 6.3 | 5.9 | 8.0 | 8.4 |
- Calculate the seasonal relative for each quarter.
- Using the seasonal relatives, deseasonalize the sales value presented in table 2.
- Using a trend line equation for the deseasonalized values Tt = 5.101 + 0.148 * t, forecast the sales expected in quarters 1 and 2 of the 5th year.
- Reseasonalize these two forecasts to re-capture the seasonal component.
Deliverable: Word Document 
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