Elementary Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321836960
ISBN 13: 978-0-32183-696-0

Chapter 10 - Correlation and Regression - 10-3 Regression - Beyond the Basics - Page 531: 33


See below.

Work Step by Step

If $\rho$ is 0, then there isn't any linear correlation, hence the slope of $\beta_1$ (regression line) will be 0.
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