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(b) Use a - 0.1 to compute the exponential smoothing values for the time series. (Round your answers to four decimal places.) Time Series Value Month t Forecast F, 1. 105 135 120 4 105 5 90 120 145 8 140 9. 100 10 80 11 100 12 110

(b) Use a - 0.1 to compute the exponential smoothing values for the time series. (Round your answers to four decimal places.) Time Series Value Month t Forecast F, 1. 105 135 120 4 105 5 90 120 145 8 140 9. 100 10 80 11 100 12 110

Practical Management Science
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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Please answer part b and c
The following time series shows the sales of a particular product over the past 12 months. Month Sales 105 135 120 4 105 90 120 145 8 140 100 10 80 11 100 12 110 3.
Transcribed Image Text:The following time series shows the sales of a particular product over the past 12 months. Month Sales 105 135 120 4 105 90 120 145 8 140 100 10 80 11 100 12 110 3.
(b) Use a = 0.1 to compute the exponential smoothing values for the time series. (Round your answers to four decimal places.) Time Series Value Month t Forecast F, 1 105 135 3 120 4 105 90 120 145 8 140 9. 100 10 80 11 100 12 110 (c) Use trial and error to find a value of the exponential smoothing coefficient a that results in a smaller MSE than what you calculated for a = 0.1. a =
Transcribed Image Text:(b) Use a = 0.1 to compute the exponential smoothing values for the time series. (Round your answers to four decimal places.) Time Series Value Month t Forecast F, 1 105 135 3 120 4 105 90 120 145 8 140 9. 100 10 80 11 100 12 110 (c) Use trial and error to find a value of the exponential smoothing coefficient a that results in a smaller MSE than what you calculated for a = 0.1. a =
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