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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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The following table contains the demand from the last 10 months: MONTH 1 2 3 4 5 6 7 4 5 6 8 9 10 a. Calculate the single exponential smoothing forecast for these data using an a of 0.10 and an initial forecast (F₁) of 33. Note: Round your answers to 2 decimal places. 7 8 9 10 Month 1 2 3 ACTUAL DEMAND 33 29 32 33 35 32 35 42 44 45 Answer is complete but not entirely correct. Exponential Smoothing Month 1 2 3 4 5 6 7 8 9 10 33.00✔ 32.60 X 32.54 32.59 32.73 32.66✔ 32.79 33.51 x 34.16 34.84 b. Calculate the exponential smoothing with trend forecast for these data using an a of 0.10, a 5 of 0.20, an initial trend forecast (T₁) of 1.00, and an initial exponentially smoothed forecast (F₁) of 32.00. Note: Round your answers to 2 decimal places. X Answer is not complete. FIT₁ 32.00 X 33.88 34.14✔
Transcribed Image Text:The following table contains the demand from the last 10 months: MONTH 1 2 3 4 5 6 7 4 5 6 8 9 10 a. Calculate the single exponential smoothing forecast for these data using an a of 0.10 and an initial forecast (F₁) of 33. Note: Round your answers to 2 decimal places. 7 8 9 10 Month 1 2 3 ACTUAL DEMAND 33 29 32 33 35 32 35 42 44 45 Answer is complete but not entirely correct. Exponential Smoothing Month 1 2 3 4 5 6 7 8 9 10 33.00✔ 32.60 X 32.54 32.59 32.73 32.66✔ 32.79 33.51 x 34.16 34.84 b. Calculate the exponential smoothing with trend forecast for these data using an a of 0.10, a 5 of 0.20, an initial trend forecast (T₁) of 1.00, and an initial exponentially smoothed forecast (F₁) of 32.00. Note: Round your answers to 2 decimal places. X Answer is not complete. FIT₁ 32.00 X 33.88 34.14✔
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