You obtain the following parameters for the DTDS+ES forecasting method: Linear intercept: 500, Linear slope=15 Seasonal index
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Question:
You obtain the following parameters for the DTDS+ES forecasting method:
Linear intercept: 500, Linear slope=15
Seasonal index quarter 1: 25
Seasonal index quarter 2: 35
Seasonal index quarter 3: -20
Seasonal index quarter 4: -10
Exponential smoothing parameter: alpha=0.2
What is the absolute value of the difference between the forecasts for quarter 2 2020 and quarter 4 2021?
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