Use Holt-Winters additive method to create a seasonal model that minimizes the MSE for the data set.
Question:
Use Holt-Winter’s additive method to create a seasonal model that minimizes the MSE for the data set. Use Solver to determine the optimal values of a, b, and g.
a. What are the optimal values of a, b, and g?
b. Prepare a line graph comparing the predictions from this method against the original data.
c. What are the forecasts for each of the first 6 months in 2017 using this technique?
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Related Book For 
Spreadsheet Modeling And Decision Analysis A Practical Introduction To Business Analytics
ISBN: 1233
8th Edition
Authors: Cliff T. Ragsdale
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