Question: In Problem 4.8, the data seem to reflect a threshold of about .10 blood alcohol in which a relatively good correspondence between Breathalyzer-determined blood alcohol

In Problem 4.8, the data seem to reflect a threshold of about .10 blood alcohol in which a relatively good correspondence between Breathalyzer-determined blood alcohol and self-reporting of consumption breaks down. Reanalyze these data after omitting all data points with Breathalyzer-determined blood alcohol levels greater than or equal to .10. Now, how well does self-reporting reflect actual blood alcohol?

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