Concept explainers
Graduation Kales. Graduation rates and what influences them have become a concern in U.5. colleges and universities. U.S. News and World report’s "College Guide" provides data on graduation rates for colleges and universities as a
- a. Use the
scatterplot matrix in Output A.8 to assess whether a multiple linear regression model might be appropriate for predicting graduation rate. - b. Use the computer output in Output A.9 to determine the sample regression equation.
- c. Apply the sample regression equation to predict the graduation rate at a school whom the student-to-faculty ratio is 18 to 1, 70% of the freshmen were in the top 10% of their high-school class, and 75% of the applicants are accepted. (The values of the predictor variables are 18, 70, and 75, respectively.)
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