Since you already know how to make a scatterplot, making bar chart will be a lot easier. Here is a comparison:
| For a scatterplot | For a barchart |
|---|---|
| Choose x and y | Same! |
| Label x, y, and give a title | Same! (except x usually has no “units”) |
| Decide minimum and maximum values for x and y | Only for y |
| Decide distance for ticks | Only for y |
| Make a legend | Same |
| Add data, using dots. | Use rectangles, not dots |
That’s about it. Oh, make sure you spread out the x values nicely, and make your bars wide enough to see.