The Basic Practice of Statistics 7th Edition

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

Chapter 4 - Scatterplots and Correlation - Check Your Skills - Page 119: 4.18

Answer

c) $ -1 \leq r \leq 1$

Work Step by Step

Page 113 states that a correlation coefficient is always a number between -1 and 1.
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