Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 12 - Statistics - 12.6 Scatter Plots, Correlation, and Regression Lines - Exercise Set 12.6 - Page 831: 40

Answer

Yes.

Work Step by Step

For the given $n$ in the table for $\alpha=0.05$ we have $r=0.381$. $|0.4|\gt0.381$, thus we can say that a correlation does exist.
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