Construct a 95% confidence interval for the slope. What does this interval tell you about the annual percent increase in tuition between 2008 and 2013?
What percent of the variability in 2013 tuition is explained by a linear regression model using the 2008 tuition?
The tuition at BusStat U was $8800 in 2008. What is the predicted tuition in 2013?
The tuition at Moneypit U was $15,700 in 2008. What is the predicted tuition in 2013?
Discuss the appropriateness of using the fitted equation to predict tuition for each of these universities.