Question: A major snack food company has started an advertising campaign claiming that it makes “America’s favorite potato chip.” To test this claim, a researcher assembles a sample of 90 volunteers and asks each individual to taste the company’s chips along with two other brands. Each individual is asked to select a favorite from the three brands. The following data show the number of individuals selecting each brand. Do the data provide significant support for any preferences among the three brands? Test at the .05 level of significance.

Brand A Brand B Brand C