A researcher studied study habits among students in a large school district. A random sample of high school students from the district was selected, and it was found that of these students spent more than hours per week studying for math class. Which of the following conclusions is best supported by the sample data?
The majority of all students in the district spend more than hours per week studying for math.
Approximately of all students in the district spend more than hours per week studying for math.
Approximately of all high school students in the district spend more than hours per week studying for math.
Approximately of high school students spend more than hours per week studying for all subjects combined.
