Do students with higher college grade point averages (GPAs) earn more than those graduates with lower GPAs
Question:
Do students with higher college grade point averages (GPAs) earn more than those graduates with lower GPAs (CivicScience)? Consider the college GPA and salary data (10 years after graduation) provided in the file GPASalary.
a. Develop a scatter diagram for these data with college GPA as the independent variable. What does the scatter diagram indicate about the relationship between the two variables?
b. Use these data to develop an estimated regression equation that can be used to predict annual salary 10 years after graduation given college GPA.
c. At the .05 level of significance, does there appear to be a significant statistical relationship between the two variables?
Step by Step Answer:
Statistics For Business & Economics
ISBN: 9781337901062
14th Edition
Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran