Notice some ages are not included in this chart--these ages were not surveyed, thus not included in the dataset.
Resources referenced:
Class Examples
D3 Docs - group()
D3 Docs - min(), max(), extent()
d3noob - Adding axis labels to a d3.js graph
PixelsTech - A simple example of drawing bar chart
with label using d3.js
Geeksforgeeks - d3.max()
Have I been doing the bare minimum? Yes. Just trying not to burn out too quick this semester :,)