A research showed that students who take tuitions, score less marks than the ones who study by themselves. It raises the question whether it is worth sending students to tuitions after 6 hours of school every day?
The statements above, if true, best support which of the following assertions?
1. Teachers who give tuitions are not good teachers.
2. Students do not like to take tuitions.
3. Students who study by themselves are smarter than the students who take tuitions.
4. Students who take tuitions are academically weak.
5. Students who take tuitions can fully concentrate neither at school, nor at tuition due to long working hours.