Anthony wants to find out the percentage of students at his school who are vegetarians. Which of the following is the most representative group of students for him to survey?

To obtain the most representative group of students for Anthony to survey, he should consider surveying students from different grade levels, genders, and academic tracks. This would include selecting students from each grade level (such as freshmen, sophomores, juniors, and seniors), as well as both male and female students. Additionally, Anthony should ensure that he includes students from various academic tracks, such as students in advanced placement classes, honors classes, and general education classes.