Answer
10
Work Step by Step
Weights for 7th grade boys would be symmetric distribution in most cases. The class sets are also reasonable for what you would expect 7th grade males to weigh (85-155)
Elementary Statistics: Picturing the World (6th Edition)
by Larson, Ron; Farber, Betsy
Published by
Pearson
ISBN 10:
0321911210
ISBN 13:
978-0-32191-121-6
Chapter 2 - Descriptive Statistics - Section 2.3 Measures of Central Tendency - Exercises - Page 74: 16
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