Question

The following table shows the actual demand observed over the last 4​ years:

                                                                                                                                                                                                                                             

Year	1	2	3	4
Demand	66	99	66	99

Using exponential smoothing with

alphaαequals=0.400.40

and a forecast for year 1 of

5.05.0​,

provide the forecast from periods 2 through 5 ​(round your responses to one decimal​ place).

Year	1	2	3	4	5
Forecast​ (ES)	5.05.0	nothing	nothing	nothing	nothing

Answer 1

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The corresponding exponential smoothing forecasts with smoothing constant α=0.4 are calculated in the table below:

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