By using Excel or Google Sheets to create impactful graphs, you'll be able to captivate your audience, facilitate meaningful discussions, and drive home the key points of your presentation.

I just tried this. Select all the data you want to have graphed, click on Insert, pick line graph, and choose which one you want. Excel (2007) automagically grouped date and time on the X axis.

Figure A You need the People Graph add-in for Excel. To populate an Excel people chart, you need some data. Figure B shows a simple data set along with the dummy chart.

Learn how to plot coordinates and create straight line graphs to show the relationship between two variables. Also, plot graphs that contain a negative coefficient of x.