Statistics: Informed Decisions Using Data (4th Edition)

Published by Pearson
ISBN 10: 0321757270
ISBN 13: 978-0-32175-727-2

Chapter 2 - Section 2.3 - Assess Your Understanding - Vocabulary and Skill Building - Page 106: 8d

Answer

About 30%.

Work Step by Step

The height of the point above the 450 represents the summation of the relative frequencies of all the first five classes: 200-249, 250-299, 300-349, 350-399, 400-449. So, about 30% of students had a math score of 450 or below.
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