Refer to Problems 11 and 12 a At the 5
Refer to Problems 11 and 12.
a. At the 5% significance level, do the data provide sufficient evidence to conclude that student-to-faculty ratio is useful as a predictor of graduation rate?
b. Determine a 95% confidence interval for the slope, β1, of the population regression line that relates graduation rate to student-to-faculty ratio. Interpret your answer.
Presume that the variables student-to faculty ratio and graduation rate satisfy the assumptions for regression inferences.
Membership TRY NOW
  • Access to 800,000+ Textbook Solutions
  • Ask any question from 24/7 available
  • Live Video Consultation with Tutors
  • 50,000+ Answers by Tutors
Relevant Tutors available to help