A group of 100 students were surveyed about their interest in a new Economics major. Interest was measured in terms of high, medium, or low. In the study, 30 students responded high interest, 50 students responded medium interest, and 20 students responded low interest. What is the best way to illustrate the percentage of student interest?Multiple Choice
a. Use a box plot.
b. Use a cumulative frequency polygon.
c. Use a pie chart.
d. Use a frequency table.