The Basic Practice of Statistics 7th Edition

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

Chapter 20 - Inference about a Population Mean - Chapter 20 Exercises - Page 477: 20.27

Answer

For Student Group: $t = \frac{0.08 - 0}{0.37/\sqrt 12} = 0.749$ Using technology, we have p = 0.47 For non-student group: $t = \frac{0.35 - 0}{0.37/\sqrt 12} = 3.277$ Using technology, we have p = 0.007 The p value of the student group is larger as compared to that of the non-student group.

Work Step by Step

Given above
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