Faculty Salary and Completion Rate The CompRate variable in CollegeScores$4$yr 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 $ $5,0007$ Predicted completion rate $=($round to two decimal places$)($c$)$ Does it look like higher completion rates are associated with higher facuity salaries?