Students at Bruce's school are allowed to play more than one sport. So, Brent polled a large sample of students to find how many students were on each sports team at the high school - basketball, volleyball, baseball, and hockey. Which of the following could sufficiently display the data if only the four given categories are to be included?
a) Bar Graph
b) Pie Chart
c) Either a bar graph or a pie chart
d) None of the above