Question: Prepare a spreadsheet model for the ferry passenger data in [ Table 14.6, and recalculate the forecasts using an a of 0.3, a of 0.1,

Prepare a spreadsheet model for the ferry passenger data in [ Table 14.6, and recalculate the forecasts using an a of 0.3, a of 0.1, and a y of 0.2. Has this change in the smoothing constants improved the MAD?

TABLE 14.6 Exponential Smoothing with Seasonal and Trend Adjustments: Excel Spreadsheet Illustration Ferry Passengers Taken to a Resort Island (alpha=0.2, beta =0.2, gamma =0.3 )

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