Adding a graph in a spreadsheet is no big deal as long as you know the process. However, do you know that you can make a curved line graph in Excel or ... to switch to the Fill & Line tab.

These chart types allow number and word variables, where Line charts, Scatter charts, and Area charts ... modify the colors, fill and effects from the Format tab. Save your Excel spreadsheet ...

You would notice that the line graph and scatter plot chart curves are different. However, these charts are static. You could also consider creating Dynamic charts in Excel. By doing this ...