Question: Several years ago, Coca-Cola changed the 100-year old formula for Coke. Management at the time was concerned about growing competition from Pepsi, and a survey of Pepsi drinkers indicated that they felt that Pepsi was sweeter than Coke. As part of the analysis leading up to Coca-Cola’s ill-fated decision, the company chose a sample of 200 Coke drinkers and gave each one a version of Coke with a different amount of sugar. Each respondent was asked to rate their drink according to the following scale: 5=Excellent; 4 = Good; 3 = Average; 2 = Fair; 1 = Poor. The responses are contained in the file Cola.xls x . Does sugar content appear to influence taster’s ratings, according to these data?

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