29. The mosaic plot below shows the sales of cigarettes by the three leading manufacturers, divided into six international regions. (Total sales in 2006 were approximately 2 trillion).
a. In which region are total cigarette sales the largest?
b. In which two regions does British-American Tobacco command more than half the market?
c. Which share leads to higher sales: 80% of the market in the US and Canada(like that of Philip Morris) or 80% of the market in Asia and the Pacific?
d. Can you easily tell what percentage of Phillip Morris’s sales is in western Europe?
e. Are brand and region associated?
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