Answer
mean 7.25
modal class 7–9
Work Step by Step
mean 7.25 (find midpoint of each class, use the formula for the grouped mean)
modal class 7–9 (class with highest frequency)
Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition
by Bluman, Allan
Published by
McGraw-Hill Education
ISBN 10:
0078136334
ISBN 13:
978-0-07813-633-7
Chapter 3 - Data Description - Review Exercises - Section 3-1 - Page 178: 3
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