Answer:
A pie chart
Explanation:
Statistical information can be presented in a number of ways that facilitate the reader's assimilation of information. Graphics are great tools for viewing this type of information. In the case in question, where there is only two information (students who buy lunch vs. students bringing lunch from home), a pie chart is more appropriate.
Imagine a pizza split between two parties, where one part represents the total number of students who bring home lunch, while the other represents the total number of students who buy lunch in the cafeteria. The pie chart total represents the overall total of students, and you must use different colors to represent each group. Thus, a simplified analysis, by the size of each group in the "pizza" you will know which group is majority / minority.
