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Get Full Access to Statistics For Engineers And Scientists - 4 Edition - Chapter 5.7 - Problem 2e
Get Full Access to Statistics For Engineers And Scientists - 4 Edition - Chapter 5.7 - Problem 2e

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The article “Effect of Refrigeration on the potassium

ISBN: 9780073401331 38

Solution for problem 2E Chapter 5.7

Statistics for Engineers and Scientists | 4th Edition

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Problem 2E

The article “Effect of Refrigeration on the potassium Bitartrate Stability Composition of Italin Wines”(A. Versari, D. Barbanti, et al., Italian Journal of Food Science, 2002:45-52) reports a study in which eight types of white wine had their tartaric acid concentration (in g/L) measured both before and after a cold stabilization process. The results are presented in the following table:

 Wine Type Before After Difference 1 2.86 2.59 0.27 2 2.85 2.47 0.38 3 1.84 1.58 0.26 4 1.60 1.56 0.04 5 0.80 0.78 0.02 6 0.89 0.66 0.23 7 2.03 1.87 0.16 8 1.90 1.71 0.19

Find a 95% confidence interval for the mean difference between the tartaric acid concentrations before and after the cold stabilization process.

Step-by-Step Solution:
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