Question 3: which information is displayed in the histogram shown below? the number of students who practiced 6 hours or more. the number of students who practiced 6 hours or less. the mean is 7 hours of practice. the median is 7 hours of practice. histogram showing hours of practice time ranging from 1 to 12 in intervals of 3 hours. the bins are 1 to 3 with frequency of 5, 4 to 6 with frequency 12, 7 to 9 with frequency 17, and 10 to 12 with frequency 30. titles/labels are sixth-grade band and hours of practice.