The Basic Practice of Statistics 7th Edition

Published by W. H. Freeman
ISBN 10: 146414253X
ISBN 13: 978-1-46414-253-6

Chapter 7 - Exploring Data: Part I Review - Test Yourself - Page 190: 7.28

Answer

The correlation only tells us about the strength of association between the variables, and not the size of one of the variables. Hence, we cannot say that one fund has a higher return than the other. The Fidelity Technology fund has a closer relationship (r = 0.77) to returns from the stock market as a whole as compared to Fidelity Real Estate Fund (r - 0.37). Hence, the correct option is: b.

Work Step by Step

The correlation only tells us about the strength of association between the variables, and not the size of one of the variables. Hence, we cannot say that one fund has a higher return than the other. The Fidelity Technology fund has a closer relationship (r = 0.77) to returns from the stock market as a whole as compared to Fidelity Real Estate Fund (r - 0.37). Hence, the correct option is: b.
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