Here are the data for the past 21 months for actual sales of a particular product: LAST YEAR THIS YEAR January February March 325 315 335 432 455 340 April May 495 445 440 415 June 475 385 July August September October 390 355 285 350 330 350 490 November 580 December 495 Develop a forecast for the fourth quarter using a three-quarter, weighted moving average. Weight the most recent quarter 0.50, the second most recent 0.25, and the third 0.25. Do the problem using quarters, as opposed to forecasting separate months. (Round your answer to 2 decimal places.) Forecast for the fourth quarter
Here are the data for the past 21 months for actual sales of a particular product: LAST YEAR THIS YEAR January February March 325 315 335 432 455 340 April May 495 445 440 415 June 475 385 July August September October 390 355 285 350 330 350 490 November 580 December 495 Develop a forecast for the fourth quarter using a three-quarter, weighted moving average. Weight the most recent quarter 0.50, the second most recent 0.25, and the third 0.25. Do the problem using quarters, as opposed to forecasting separate months. (Round your answer to 2 decimal places.) Forecast for the fourth quarter
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter13: Regression And Forecasting Models
Section13.7: Exponential Smoothing Models
Problem 29P: The file P13_29.xlsx contains monthly time series data for total U.S. retail sales of building...
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