Depends on your data set. Domain would include valid ages and range would include valid heights.
If you wanted to encompass all possibilities:
- Domain would be something like [0,120] (The oldest person alive is 117)
- Range would be something like [.5, 9] assuming your units are feet.
If you only wanted adults in their 20s and 30s:
- Domain could be [20,40)
- Range could be [3,9] or even [4,7] would encompass most adults
