Concept explainers
A New York psychologist recommends that if you feel the need to check your e-mail in the middle of a movie or if you sleep with your cell phone next to your bed, it might be time to “power off” (AARP Bulletin, September 2010). Suppose that you want to learn about the proportion of students at your college who would feel the need to check e-mail during the middle of a movie and that you have access to a list of all students enrolled at your college. Describe how you would use this list to select a simple random sample of 100 students.
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Chapter 2 Solutions
Introduction To Statistics And Data Analysis
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