The distance of students from their school to their home is given below. Find the median of the data.
 
Distance (in km) \(0 - 3\) \(3 - 6\) \(6 - 9\) \(9 - 12\) \(12 - 15\)
Number of students 5 9 1 4 3
 
The median of the data is
\(km\).
Answer variants:
5
23
17
12.2