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, 1, 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

Question: 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

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.

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