A random sample of 12 consumers are asked to rank their preferences of four new fragrances that Calvin Klein wants to introduce to the market in the fall of 2008. The data are as follows (best liked denoted by 1 and least liked denoted by 4). Do you believe that all four fragrances are equally liked? Explain.

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Respondent Fragranc Fragrance 2 Fragrance 3 grance 4 4 4 4 4 10 4 12