A researcher believes that alcohol intoxication at even half the legal limit, that is, .05 blood alcohol
Question:
Test the null hypothesis that there is no difference in driving ability before and after alcohol consumption to the .05 blood alcohol level (use the .05 significance level).
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Related Book For
Elementary Statistics In Social Research Essentials
ISBN: 9780205638000
3rd Edition
Authors: Jack A. Levin, James Alan Fox
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