1. Your class rank in 2018 was 145 out of 435 students. In 2019 your class rank was 160 out of 404 students. A. In which year did you have the higher percentile ranking. B. If you had the data on the cumulative GPA of each student at the end of the spring semester in 2018, which measure of average would be the most meaningful mean, median, mode? Explain.