Faculty Salary and Completion Rate The CompRate variable in CollegeScores 4yr records the percentage of students at each four-year school who graduate within six years (known as the completion or graduation rate). Another variable, FacSalary, gives the average monthly salary for faculty (in dollars) at each school. (a) Use technology to find a regression line for predicting the completion rate at four-year colleges, based on their faculty salaries. Intercept (round to two decimal places) Slope (round to four decimal places) (b) What does the fitted line indicate about the expected completion rate at a school with average monthly faculty salary of S 5,000? Predicted completion rate % (round to two decimal places) (c) Does it look like higher completion rates are associated with higher faculty salaries?