1. The following graph presents the frequency distribution of students' final grades in a statistics course. 15 Student Grades Number of Students In A B C D a. What type of graph is this? (Histogram? Bar graph? Polygon? Etc]. Why do you think this type of graph Iwas chosen for these data? (3 points} In. How many students got an A? {1 points] :. How manygot a D? {1 point] d. What is the mode in this distribution? [2 points}