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Data was collected on ratings of two brands of coffee on four characteristics: taste, aroma, richness, and acidity. The distribution is unknown, but symmetric. Is there evidence of a difference in the median ratings between the two brands? Use a Wilcoxen Matched-Pairs Signed Rank Test to answer this question at a 5% significance level. Differences = Brand A - Brand B. Brand A Brand B 24 26 27 27 19 22 24 27 22 25 26 27 27 26 25 27 22 23 What is the value of T? 3 What is the critical value?.05 At a 5% significance level, what can you conclude from this study? O Brand A is rated significantly lower than Brand B. O There is no significant difference in the median ratings between the two coffee brands. O There is a significant difference in the median ratings between the two coffee brands. O Brand A is rated significantly higher than Brand B.

Data was collected on ratings of two brands of coffee on four characteristics: taste, aroma, richness, and acidity. The distribution is unknown, but symmetric. Is there evidence of a difference in the median ratings between the two brands? Use a Wilcoxen Matched-Pairs Signed Rank Test to answer this question at a 5% significance level. Differences = Brand A - Brand B. Brand A Brand B 24 26 27 27 19 22 24 27 22 25 26 27 27 26 25 27 22 23 What is the value of T? 3 What is the critical value?.05 At a 5% significance level, what can you conclude from this study? O Brand A is rated significantly lower than Brand B. O There is no significant difference in the median ratings between the two coffee brands. O There is a significant difference in the median ratings between the two coffee brands. O Brand A is rated significantly higher than Brand B.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Data was collected on ratings of two brands of coffee on four characteristics: taste, aroma, richness, and acidity. The distribution is unknown, but symmetric. Is there evidence of a difference in the median ratings between the two brands? Use a Wilcoxen Matched-Pairs Signed Rank Test to answer this question at a 5% significance level. Differences = Brand A - Brand B. Brand A Brand B 24 26 27 27 19 22 24 27 22 25 26 27 27 26 25 27 22 23 What is the value of T? 3 What is the critical value?.05 At a 5% significance level, what can you conclude from this study? O Brand A is rated significantly lower than Brand B. O There is no significant difference in the median ratings between the two coffee brands. O There is a significant difference in the median ratings between the two coffee brands. O Brand A is rated significantly higher than Brand B.
Transcribed Image Text:Data was collected on ratings of two brands of coffee on four characteristics: taste, aroma, richness, and acidity. The distribution is unknown, but symmetric. Is there evidence of a difference in the median ratings between the two brands? Use a Wilcoxen Matched-Pairs Signed Rank Test to answer this question at a 5% significance level. Differences = Brand A - Brand B. Brand A Brand B 24 26 27 27 19 22 24 27 22 25 26 27 27 26 25 27 22 23 What is the value of T? 3 What is the critical value?.05 At a 5% significance level, what can you conclude from this study? O Brand A is rated significantly lower than Brand B. O There is no significant difference in the median ratings between the two coffee brands. O There is a significant difference in the median ratings between the two coffee brands. O Brand A is rated significantly higher than Brand B.
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