The data shown in Table 6-7 are monthly champagne sales in France (1962-1969) in thousands of bottles.
Question:
(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.
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sales 15 10 O Index 10 20 30 60 70 80 90 There appears to be ...View the full answer
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Related Book For 
Introduction to Statistical Quality Control
ISBN: 978-1118146811
7th edition
Authors: Douglas C Montgomery
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