The Coca-Cola Company introduced new Coke in 1985. Within three months of this introduction, negative consumer reaction
Question:
a. Test the null hypothesis //" that no differences exist between the mean sales of Coca-Cola classic, new Coke, and Pepsi in Chicago public building vending machines. Set α = .05.
b. Make pairwise comparisons of the mean sales of Coca-Cola classic, new Coke, and Pepsi in Chicago public building vending machines by using Tukey simultaneous 95 percent confidence intervals.
c. By the mid-1990s the Coca-Cola Company had discontinued making new Coke and had returned to making only its original product. Is there evidence in the 1987 study that this might happen? Explain your answer.
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Related Book For
Business Statistics In Practice
ISBN: 9780073401836
6th Edition
Authors: Bruce Bowerman, Richard O'Connell
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