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 - Apply Your Knowledge - Page 108: 4.7

Answer

There is a negative association between maintenance and delays. The relationship is weak, and there is one outlier. (The outlier is 0,20, or very close to that coordinate.)
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Work Step by Step

The relationship is weak since the data points are not tightly close to each other. The scatterplot was made in Microsoft Excel. The data point at (0,20) isn't close (in comparison) to the other data points.
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