The Basic Practice of Statistics 7th Edition

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

Chapter 21 - Comparing Two Means - Chapter 21 Exercises - Page 512: 21.40d

Answer

No, because for negative articles, the mean is positive, which indicates that the DIJA increased and thus the performance improved.

Work Step by Step

No, because for negative articles, the mean is positive, which indicates that the DIJA increased and thus the performance improved.
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