Use Holt Winter s multiplicative method to create a seasonal model that 147306
Use Holt-Winter’s multiplicative method to create a seasonal model that minimizes the MSE for the data set. Use Solver to determine the optimal values of α, β, and γ.
a. What are the optimal values of α, β, and γ?
b. Prepare a line graph comparing the predictions from this method against the original data.
c. What are the forecasts for the next four quarters using this technique?

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