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QUESTION 3-A Sales of industrial vacuum cleaners at R. Lowenthal Supply Co. over the past 13 months are as follows: SALES($1,000s) MONTH August September TITE SALES($1000s) MONTH January February 11 14 14 17 16 March 12 October 10 April 14 November 15 Мay 16 December 17 June 11 January jo back to bn 11 July eing m (a) Using a moving average with three periods, determine the demand for vacuum cleaners for next February. (b) Using a weighted moving average with three periods, determine the demand for vacuum cleaners for February. Use 3, 2, and 1 for the weights of the most recent, second most recent, and third most recent periods, respectively. For example, if you were forecasting the demand for February, November would have a weight of 1, December would have a weight of 2, and January would have a weight of 3. (c) Use exponential smoothing with a constant of 0.2 to forecast the demand for vacuum cleansers for January to February. (d) Evaluate the accuracy of each of these methods (Compute the MAD and MSE)) oback His

QUESTION 3-A Sales of industrial vacuum cleaners at R. Lowenthal Supply Co. over the past 13 months are as follows: SALES($1,000s) MONTH August September TITE SALES($1000s) MONTH January February 11 14 14 17 16 March 12 October 10 April 14 November 15 Мay 16 December 17 June 11 January jo back to bn 11 July eing m (a) Using a moving average with three periods, determine the demand for vacuum cleaners for next February. (b) Using a weighted moving average with three periods, determine the demand for vacuum cleaners for February. Use 3, 2, and 1 for the weights of the most recent, second most recent, and third most recent periods, respectively. For example, if you were forecasting the demand for February, November would have a weight of 1, December would have a weight of 2, and January would have a weight of 3. (c) Use exponential smoothing with a constant of 0.2 to forecast the demand for vacuum cleansers for January to February. (d) Evaluate the accuracy of each of these methods (Compute the MAD and MSE)) oback His

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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QUESTION 3-A Sales of industrial vacuum cleaners at R. Lowenthal Supply Co. over the past 13 months are as follows: SALES($1,000s) MONTH August September TITE SALES($1000s) MONTH January February 11 14 14 17 16 March 12 October 10 April 14 November 15 Мay 16 December 17 June 11 January jo back to bn 11 July eing m (a) Using a moving average with three periods, determine the demand for vacuum cleaners for next February. (b) Using a weighted moving average with three periods, determine the demand for vacuum cleaners for February. Use 3, 2, and 1 for the weights of the most recent, second most recent, and third most recent periods, respectively. For example, if you were forecasting the demand for February, November would have a weight of 1, December would have a weight of 2, and January would have a weight of 3. (c) Use exponential smoothing with a constant of 0.2 to forecast the demand for vacuum cleansers for January to February. (d) Evaluate the accuracy of each of these methods (Compute the MAD and MSE)) oback His
Transcribed Image Text:QUESTION 3-A Sales of industrial vacuum cleaners at R. Lowenthal Supply Co. over the past 13 months are as follows: SALES($1,000s) MONTH August September TITE SALES($1000s) MONTH January February 11 14 14 17 16 March 12 October 10 April 14 November 15 Мay 16 December 17 June 11 January jo back to bn 11 July eing m (a) Using a moving average with three periods, determine the demand for vacuum cleaners for next February. (b) Using a weighted moving average with three periods, determine the demand for vacuum cleaners for February. Use 3, 2, and 1 for the weights of the most recent, second most recent, and third most recent periods, respectively. For example, if you were forecasting the demand for February, November would have a weight of 1, December would have a weight of 2, and January would have a weight of 3. (c) Use exponential smoothing with a constant of 0.2 to forecast the demand for vacuum cleansers for January to February. (d) Evaluate the accuracy of each of these methods (Compute the MAD and MSE)) oback His
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