Answer
The effect size is 0.12, which is lower than 0.2, which is generally considered as small.
Work Step by Step
Here is the calculation:
Basic Statistics: Tales of Distributions 10th Edition
by Spatz, Chris
Published by
Cengage Learning
ISBN 10:
0-49580-891-1
ISBN 13:
978-0-49580-891-6
Chapter 5 - Other Descriptive Statistics - Problems - Page 84: 5.12
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