A school conducted a survey about student preferences for extracurricular activities. A random sample of 120 students from the 9th grade was selected, and of these students indicated a preference for sports clubs. Which of the following conclusions is best supported by the sample data?
The majority of all students in the school prefer sports clubs.
Approximately 70% of all students in the school prefer sports clubs.
Approximately 70% of all 9th-grade students in the school prefer sports clubs.
Sports clubs are the most popular extracurricular activity among all students.
