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 Google Sheets? If not, you should check out ...

It is also possible to read data points and make comparisons using a line graph. This line graph represents the average temperature during a year in Greece. This line graph shows the electricity ...

But when the text was accompanied by a simple graph making exactly the same claim, 97% believed it, say Aner Tal and Brian Wansink of Cornell. Graphs’ persuasiveness has nothing to do with ease ...