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recasts and actual sales of MP3 players at Just Say Music are as follows: Month Forecast Actual Sales March 180 170 April 230 245 May 213 197 June 260 242 July 274 252 August 250 200 September 260 210 October 255 178 SE values based on the two- and three-period moving average are 800.25 and 1,043.13, respectively.

recasts and actual sales of MP3 players at Just Say Music are as follows: Month Forecast Actual Sales March 180 170 April 230 245 May 213 197 June 260 242 July 274 252 August 250 200 September 260 210 October 255 178 SE values based on the two- and three-period moving average are 800.25 and 1,043.13, respectively.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Forecasts and actual sales of MP3 players at Just Say Music are as follows: Month Forecast Actual Sales March 180 170 April 230 245 Мay 213 197 June 260 242 July 274 252 August 250 200 September 260 210 October 255 178 MSE values based on the two- and three-period moving average are 800.25 and 1,043.13, respectively. Find the best single exponential smoothing model by evaluating the MSE from 0.1 to 0.9, In increments of 0.1. Do not round intermediate calculations. Round your answers to two decimal places. Alpha MSE 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 The model based on a smoothing constant of-Select- vis the best.
Transcribed Image Text:Forecasts and actual sales of MP3 players at Just Say Music are as follows: Month Forecast Actual Sales March 180 170 April 230 245 Мay 213 197 June 260 242 July 274 252 August 250 200 September 260 210 October 255 178 MSE values based on the two- and three-period moving average are 800.25 and 1,043.13, respectively. Find the best single exponential smoothing model by evaluating the MSE from 0.1 to 0.9, In increments of 0.1. Do not round intermediate calculations. Round your answers to two decimal places. Alpha MSE 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 The model based on a smoothing constant of-Select- vis the best.
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