Question: Table P-16 contains the quarterly sales ($ millions) for the Disney Company from January 1980 to March 1995. a. Perform a multiplicative decomposition of the

Table P-16 contains the quarterly sales ($ millions) for the Disney Company from January 1980 to March 1995.

a. Perform a multiplicative decomposition of the time series consisting of Disney's quarterly sales.

b. Does there appear to be a significant trend? Discuss the nature of the seasonal component.

c. Would you use both trend and seasonal components to forecast?

d. Forecast sales for the last quarter of 1995 and the four quarters of 1996.

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