Question

A teacher wants to know whether the boys in the entire school prefer watching television or playing outdoor games after school. The teacher draws a random sample from the following groups:

All school teachers
All students on the football team
All boys in each grade
All students in each grade

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

Answer 1

All boys in each grade.

Explanation:

The teacher wants to know specifically about whether the boys in the entire school prefer watching television or playing outdoor games after school. The teacher does not include girls, or specifically people on the football team. The teacher also only wants to know about boy students not teachers.

Answer 2

all boys in each grade. the other answers involve girls and her study is just about boys.