Statistics: Informed Decisions Using Data (4th Edition)

Published by Pearson
ISBN 10: 0321757270
ISBN 13: 978-0-32175-727-2

Chapter 4 - Review - Review Exercises - Page 249: 18

Answer

The properties of the linear correlation coefficient are mentioned below: 1. The correlation coefficient lies between. 2. A perfect positive correlation between the dependent variable and the explanatory variable exists if the value of the correlation coefficient is exactly 1. 3. There is a perfect negative correlation between the variables if the value of the correlation coefficient is exactly . 4. There is a no linear relationship between the variables if the value of the correlation coefficient is 0. 5. There is an indication of a positive linear correlation between the variables when the value of the correlation coefficient is close to 1. 6. There is a sign of a negative linear correlation between the variables when the value of the correlation coefficient is close to . 7. The correlation coefficient is not a resistant measure. 8. The correlation coefficient is a unit-less measure of association.

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