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Market Researcher: In the next decade, the number of people over 45 will grow and the number of people under 45 will decline. Because last year people over 45 had higher average coffee consumption than people under 45, whereas people under 45 had higher average cola consumption than people over 45, we conclude that, overall, coffee consumption will rise relative to cola consumption over the next decade
Which of the following, if true, most seriously weakens the market researcher's argument?
Once people acquire a taste for coffee, they are unlikely to significantly reduce their coffee consumption.
A person's choice of beverage typically varies according to the time of day and the activity in which the person is engaged.
Most people develop their beverage drinking habits in their 20's and change them little subsequently.
Overall, coffee consumption is currently somewhat higher than cola consumption.
Both coffee and cola consumption are currently higher among people aged 25 to 45 than among people under 25. |
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