Question: Refer to the Hudson Marine data in Problem 28. a. Deseasonalize the data, and use the deseasonalized time series to identify the trend. b. Use

Refer to the Hudson Marine data in Problem 28.

a. Deseasonalize the data, and use the deseasonalized time series to identify the trend.

b. Use the results of part (a) to develop a quarterly forecast for next year based on trend.

c. Use the seasonal indexes developed in Problem 28 to adjust the forecasts developed in part (b) to account for the effect of season.


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