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The following time series shows the sales of a particular product over the past 12 months. Month Sales 1 105 2 135 3 120 4 105 5 90 6 120 7 145 8 140 9 100 10 80 11 100 12 110 (b) Use...

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The following time series shows the sales of a particularproduct over the past 12 months.
Month Sales
1 105
2 135
3 120
4 105
5 90
6 120
7 145
8 140
9 100
10 80
11 100
12 110
(b)
Use Î± = 0.4 to compute the exponential smoothingforecasts for the time series. (Round your answers to two decimalplaces.)
Month t Time Series Value
Y_t
Forecast
F_t
1 105
2 135
3 120
4 105
5 90
6 120
7 145
8 140
9 100
10 80
11 100
12 110
(c)
Use a smoothing constant of Î± = 0.6 to compute theexponential smoothing forecasts. (Round your answers to two decimalplaces.)
Month t Time Series Value
Y_t
Forecast
F_t
1 105
2 135
3 120
4 105
5 90
6 120
7 145
8 140
9 100
10 80
11 100
12 110

Answer & Explanation Solved by verified expert

4.3 Ratings (697 Votes)

b At 04 Month Sales At Forecast Ft Ft1 At1 Ft1 1 105 2 135 105 105 3 120 105 04135 105 117 4 105 117 04120 117 1182 5 90 1182 04105 1182 See Answer

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