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What is the value of T?2 What is the cnitical value? 3 At a 5% significance level, what can you conclude from this study? O Brand A is rated significantly higher than Brand B. O Brand A is rated significantly lower than Brand B. • There is a significant difference in the median ratings between the two coffee brands. O There is no significant difference in the median ratings between the two coffee brands.

What is the value of T?2 What is the cnitical value? 3 At a 5% significance level, what can you conclude from this study? O Brand A is rated significantly higher than Brand B. O Brand A is rated significantly lower than Brand B. • There is a significant difference in the median ratings between the two coffee brands. O There is no significant difference in the median ratings between the two coffee brands.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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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? 2 What is the critical value? 3 At a 5% significance level, what can you conclude from this study? O Brand A is rated significantly higher than Brand B. O Brand A is rated significantly lower than Brand B. O There is a significant difference in the median ratings between the two coffee brands. O There is no significant difference in the median ratings between the two coffee brands.
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? 2 What is the critical value? 3 At a 5% significance level, what can you conclude from this study? O Brand A is rated significantly higher than Brand B. O Brand A is rated significantly lower than Brand B. O There is a significant difference in the median ratings between the two coffee brands. O There is no significant difference in the median ratings between the two coffee brands.
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