Median Hours Spent on Homework

A study was conducted in a classroom to find out how many hours students spent on homework each week. The results were as follows:

• Student 1: 5 hours
• Student 2: 3 hours
• Student 3: 8 hours
• Student 4: 4 hours
• Student 5: 6 hours
• Student 6: 2 hours
• Student 7: 7 hours

Based on the data collected, what is the median number of hours spent on homework by the students?