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Chi-square test for goodness of fit.

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

 

Brand A

Brand B

Brand C

38

28

24

 

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M919838

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