Question

The performing arts teacher wants to know whether the students in the entire school prefer music or theater. The teacher draws a random sample from the following groups:

All school teachers
All students in the band
All boys in each grade
All students in each grade
Which of the following groups best represents the population she should take a random sample from to get the best results for her survey?
All school teachers
All students in the band
All boys in each grade
All students in each grade