9 STEPS
1. Timeline charts can be a great way to visualize data over time. The first step is to open your desired Google Sheet, then click Insert
2. Click Chart
3. Click Chart Type: Column chart
4. Scroll down and click Timeline Chart.
5. Click Select data range
6. Type Range. In this case, we will use A1 - B17, which contains our Dates and Average Scores on Assignments for Students on those dates.
7. Click OK
8. We can now visualize our averages for students over time, clearly showing a severe drop in performance halfway through November. To zoom in along th timeline, I can Click and drag the slider at bottom.
9. That's it. You're done.