Answer
CV$_{freshmen}$ ≈ 41.3%;
CV$_{seniors}$ ≈ 24.2%
Grade point averages are more variable for freshmen than seniors.
Work Step by Step
Compute Coefficient of variation using formula CV = (SD/Mean) x 100%
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 - Review Exercises - Page 119: 35
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