The unsorted stem-and-leaf diagram would look like this:
5 | 6, 3, 5, 0, 2
3 | 2, 7, 3, 3, 4
2 | 6, 9, 1, 1
1 | 7, 1, 1, 6, 8
4 | 4, 2, 4, 3, 4
Basically, you separate the given set of numbers by their whole number part (the digit before the decimal) and list the numbers' fractional part (digit after the decimal) in the order you see them.
The sorted diagram would then be
1 | 1, 1, 6, 7, 8
2 | 1, 1, 6, 9
3 | 2, 3, 3, 4, 7
4 | 2, 3, 4, 4, 4
5 | 0, 2, 3, 5, 6