(Solution) - The data shown in Table 6 7 are monthly champagne sales -(2025 Original AI-Free Solution)

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Academic Level: Undergrad. (yrs 3-4)

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The data shown in Table 6-7 are monthly champagne sales in France (1962-1969) in thousands of bottles.
(a) Construct a time series plot of the data and comment on any features of the data that are revealed by this plot.
(b) Speculate on how you would use a graphical procedure to forecast monthly champagne sales for the year 1970.