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 481: 20.46b

Answer

Stemplot of the data is appended below. From the plot, we can observe that the data is skewed with outliers. Hence t procedure is not suitable in this case. P value calculated by using another procedure is very close to the P value we have calculated in part (a).

Work Step by Step

Given above
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