Grade 6,7, and 8 at a middle school each have 180 students. The student council is throwing a school dance and they want to know what Theme to have for the dance. Since the student council cannot ask everyone they will Survey a group of students. Which sample can best help the council to draw conclusions about the preferences of all the students in the school.
A. 6 students from each grade
B. 25 students from each grade
C. 6 students from the entire school
D. 25 students from the entire school