A university has the following number of students at each grade level.
- Freshman 3,450
- Sophomore 3,190
- Junior 2,780
- Senior 1,980
- Graduate 750
a. Construct a bar chart that effectively displays these data.
b. Construct a pie chart to display these data.
c. Referring to the graphs constructed in parts a and b, indicate which you would favor as the most effective way of presenting these data. Discuss.