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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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Statistics

The following time series shows the sales of a particularproduct over the past 12 months.

MonthSales
1105
2135
3120
4105
590
6120
7145
8140
9100
1080
11100
12110

(b)

Use α = 0.4 to compute the exponential smoothingforecasts for the time series. (Round your answers to two decimalplaces.)

Month tTime Series Value

Yt

Forecast

Ft

1105
2135
3120
4105
590
6120
7145
8140
9100
1080
11100
12110

(c)

Use a smoothing constant of α = 0.6 to compute theexponential smoothing forecasts. (Round your answers to two decimalplaces.)

Month tTime Series Value

Yt

Forecast

Ft

1105
2135
3120
4105
590
6120
7145
8140
9100
1080
11100
12110

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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