Refer to Problems 11 and 12. a. At the 5% significance level, do the data provide sufficient…

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.

 

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