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(Solved): A college admissions officer, defending the college's use of SAT scores in the admissions process, p ...



A college admissions officer, defending the college's use of SAT scores in the admissions process, produced the graph below. It represents the mean GPAs for last year's freshmen, grouped by SAT scores. It shows that increased SAT score is associated with increased GPA. What concerns you about the graph, the statistical methodology, or the conclusion reached?

a The conclusion reached is a concern, because there are no relationships between SAT scores and GPA.

b The conclusion reached is a concern, because it should be increased GPA is associated with increased SAT score.

c The statistical methodology is a concern, because the GPA data is based on mean GPAs, not individual data. We also don't know the number of students in each SAT category."

d The statistical methodology is a concern, because SAT is not an adequate predictor of GPA on average.

e The statistical methodology is a concern, because there may be lurking variables.



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