Nine experts rated four brands of Colombian coffee in a taste-testing experiment. A rating on a 7-point

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Nine experts rated four brands of Colombian coffee in a taste-testing experiment. A rating on a 7-point scale (1 = extremely unpleasing, 7 = extremely pleasing) is given for each of four characteristics: taste, aroma, richness, and acidity. The following data (stored in Coffee) display the summated ratings, accumulated over all four characteristics.
Nine experts rated four brands of Colombian coffee in a

At the 0.05 level of significance, completely analyze the data to determine whether there is evidence of a difference in the summated ratings of the four brands of Colombian coffee and, if so, which of the brands are rated highest (i.e., best). What can you conclude?

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Basic Business Statistics Concepts And Applications

ISBN: 9780132168380

12th Edition

Authors: Mark L. Berenson, David M. Levine, Timothy C. Krehbiel

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