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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