Use the wilcoxon signed rank test to compare the two drinks

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Comparison of two energy drinks. Consider the following study to compare two popular energy drinks. For each subject, a coin was flipped to determine which drink to rate first. Each drink was rated on a 0 to 100 scale, with 100 being the highest rating.

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(a) Inspect the data. Is there a tendency for these subjects to prefer one of the two energy drinks?

(b) Use the matched pairs t test of Chapter 7 (page 384) to compare the two drinks.

(d) Write a summary of your results and explain why the two tests give different conclusions.

Reference no: EM131431837

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