In a random survey, people were asked how many pairs of shoes they own.
The results are recorded in the graph below.
Pairs of Shoes
Stem
Leaf
0
3 7
1
1 2 7
2.
1 5 6 8
3
1 3 7
4
O 5 8
5
1 3 7
What is the median number of pairs of shoes in this survey?