Analyzing Books Read by Students

The following bar graph shows the number of books read by a group of students during a summer reading program. The graph indicates the distribution of books read:

Books Read by Students:

• 0-5 books: 10 students
• 6-10 books: 15 students
• 11-15 books: 5 students
• 16-20 books: 2 students

Based on the data in the graph, determine the range in which the most students fall.