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Engineering, 26.08.2021 19:20 tybizz

The following time series shows the number of units of a particular product sold over the past six months. MonthUnits Sold (Thousands)
18
23
34
45
512
610
a. Compute a 3-month moving average (centered) for the above time series.

b. Compute the mean square error (MSE) for the 3-month moving average.

c. Use alpha = 0.2 to compute the exponential smoothing values for the time series.

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