Essentials of Statistics (5th Edition)

Published by Pearson
ISBN 10: 0-32192-459-2
ISBN 13: 978-0-32192-459-9

Chapter 2 - Summarizing and Graphing Data - Review - From Data to Decision - Page 76: 3

Answer

Large variation; the times are predictable.

Work Step by Step

We see from the scatter plot created in the first problem that there are a few outliers in the data set, meaning that there is a large variation. With this being said, we see that there is a correlation between delay times at departure and arrival delay time, which can be helpful when passengers are planning.
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