Student groups from 20 people, found that the number of students studying 17 6 HR. 2-person study students 9. H and learn people-students 1 3 h Conclude that most students learn 6 h per day.
The group of 20 students, 17 students were found to 6 hour class 9 student 2 hour classes three students and one hour to conclude that most students study six hour per day.