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use the rank correlation coefficient to test for a
Chapter 13, Problem 7 BSC(choose chapter or problem)
Testing for Rank Correlation. In Exercises 7–12, use the rank correlation coefficient to test for a correlation between the two variables. Use a significance level of \(\alpha=0.05\).
Are the Best Televisions the Most Expensive? The following table lists overall quality scores and prices of 40inch LCD televisions (based on data from Consumer Reports). Do these data suggest that you can get better quality by spending more?
Equation Transcription:
Text Transcription:
alpha=0.05
Questions & Answers
QUESTION:
Testing for Rank Correlation. In Exercises 7–12, use the rank correlation coefficient to test for a correlation between the two variables. Use a significance level of \(\alpha=0.05\).
Are the Best Televisions the Most Expensive? The following table lists overall quality scores and prices of 40inch LCD televisions (based on data from Consumer Reports). Do these data suggest that you can get better quality by spending more?
Equation Transcription:
Text Transcription:
alpha=0.05
ANSWER:Solution 7BSC
Now from the table A-9 for n = 7 and level of significance 0.05 that is a = 0.05 the critical values are ± 0.786.