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: 20.45b

Answer

Graph of the data is appended below. We note that there is a strong skewness. The computer generated interval is higher as compared to the interval generated by t distribution method. Since the distribution is skewed, we should take the results in part (a) with a grain of salt.

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