Answer
All the percentages have to be divisble by 5.
Work Step by Step
The number that our numbers have to be divided by is 20. Therefore all the percentages have to be divisble by 5.
Elementary Statistics (12th Edition)
by Triola, Mario F.
Published by
Pearson
ISBN 10:
0321836960
ISBN 13:
978-0-32183-696-0
Chapter 1 - Introduction to Statistics - 1-2 Statistical and Critical Thinking - Beyond the Basics - Page 15: 38
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