Question

Given below are two applications of statistics. Identify which one of these is descriptive and which is inferential and explain why.
Case I: An administrator at Corinth College looks at the verbal Scholastic Aptitude Test (SAT) scores for the entire class of students admitted in the fall of 2005 (mean = 660) and the verbal SAT scores for the entire class admitted in the fall of 2004 (mean = 540) and concludes that the class of students admitted to Corinth in 2005 had higher verbal scores than the class of students admitted in 2004.
Case II: An administrator takes a random sample of 45 Corinth College students in the fall of 2005 and asks them to self-report how often they engage in binge drinking. Members of the sample report an average of 2.1 binge drinking episodes per week. The administrator writes a report that says, “The average level of binge drinking among all Corinth College students is about 2.1 episodes per week.”


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  • CreatedNovember 20, 2015
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