FORECASTING Problem -
Double Exponential Smoothing: Using the Durable Marbles Inc. - a company with corporate head office in Europe, table data given below, compute the exponential smoothing with smoothing coefficients of α = 0.25, 0.50, and 0.75 for the company's annual sales. Suppose you are a leader in an organization assigned with the responsibility of educating employees on how to perform forecast, plot the three exponential smoothed time-series with full explanation to your recently assigned team, on how you performed the regressions and computations. Using α = 0.25 what is Durable Marbles sales in 2017?
