The Basic Practice of Statistics 7th Edition

Published by W. H. Freeman
ISBN 10: 146414253X
ISBN 13: 978-1-46414-253-6

Chapter 25 - Two Categorical Variables: The Chi-Square Test - Chapter 25 Exercises - Page 604: 25.38a

Answer

See below.

Work Step by Step

$0\%$ of the subjects made no errors in the social-communicative group, $41.67\%$ of the subjects made no errors in the noncommunicative group and $66.67\%$ of the subjects made no errors in the nonsocial group, thus the number of errors differs significantly due to different conditions.
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