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Please forecast the demand for each quarter of the next year using different forecasting techniques. The demand data for the past two years is shown
Please forecast the demand for each quarter of the next year using different forecasting techniques. The demand data for the past two years is shown in the table below.
Season | time period | Demand | |
Year 2011 | Spring | 1 | 205 |
Summer | 2 | 140 | |
Fall | 3 | 375 | |
Winter | 4 | 575 | |
Year 2012 | Spring | 5 | 475 |
Summer | 6 | 275 | |
Fall | 7 | 685 | |
Winter | 8 | 965 | |
Year 2013 | Spring | 9 | |
Summer | 10 | ||
Fall | 11 | ||
Winter | 12 |
- Using 4-period moving average, forecast the demand data for the first quarter of year 2013, i.e., time period 9.
- Using 4-period weighted moving average, forecast the demand data for the first quarter of year 2013, i.e., time period 9 by using the weights: 4, 3, 2 and 1 (largest weight is for most recent data)
- Using trend and seasonal indexes to forecast the demand data for each quarter of year 2013
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