For example, you can correct a typo, change Kenny to Kenneth, or re-enter an inaccurate number. Change the chart/graph data. But all of this is just cosmetics. The easiest method is to just add ...

enter the Series values as well. Once you’ve completed this, click the OK button twice to save the change. The spreadsheet chart or graph will then appear with the new data series name.

The Washington Post today introduced its latest data-centric feature, “How To Read This Chart,” a newsletter that dives into the data behind the week’s news. Each Saturday at 10 a.m. ET ...