Effects of an Outlier a. Refer to Exercise 19 and include an outlier consisting of a 90-year-old

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Effects of an Outlier

a. Refer to Exercise 19 and include an outlier consisting of a 90-year-old stowaway on a westbound crossing of the Queen Mary. Is the hypothesis test dramatically affected by the presence of the outlier?

b. Refer to Exercise 19 and include an outlier consisting of a 5000-year-old stowaway on a westbound crossing of the Queen Mary. Why does the t test statistic decrease instead of increasing?

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Elementary Statistics

ISBN: 9780201775709

9th Edition

Authors: Mario F. Triola

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