14.55 Good Tasting Medicine Pfizer Canada Inc. is a pharmaceutical company that makes azithromycin, an antibiotic in a cherry-flavoured suspension used to treat bacterial infections in children. To compare the taste of their product with three competing medications, Pfizer tested 50 healthy children and 20 healthy adults. Among other taste- testing measures, they recorded the number of tasters who rated each of the four antibiotic suspensions as the best tasting.19 The results are shown in the table. Is there a difference in the perception of the best taste between adults and children? If so, what is the nature of the difference, and why is it of practical importance to the pharmaceutical company?

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Flavour of Antibiotic Banana Cherry Wild Fruit Strawberry-Banana Children Adults 14 20 4 14 "Azithromycin produced by Pfizer Canada Inc 7 9 0 2