Answer
(a) Yes (b) 29 %
Work Step by Step
Using a pie chart that can be created in Excel, we see that Mechanical Error led to 29% of plane crashes.
Stats: Data and Models (3rd Edition)
by De Vaux, Richard D.; Velleman, Paul D.; Bock, David E.
Published by
Pearson
ISBN 10:
0321692551
ISBN 13:
978-0-32169-255-9
Chapter 3 - Displaying and Describing Categorical Data - Exercises - Page 38: 12
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