The most recent time series value is given the same weight by the following exponential smoothing constant values as it is by a four-period moving average.
The correct response among the following alternatives is a=0.2.
To calculate this, add the most recent four quarters' worth of sales (for example, Q1 + Q2 + Q3 + Q4), and then divide by four. This method eliminates the quarterly fluctuations and provides a clear picture of the quarterly sales trend.
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