The ease with which you can create a line graph in Excel on your PC or Mac will do much to dispel the misconception that the program is arcane and unapproachable. With just three clicks of a mouse (or ...

"Presenters are usually guilty of including too much data in their on-screen charts," says Garr Reynolds, author of Presentation Zen. It's not that charts are bad in a PowerPoint presentation, but ...

Data is rarely so uniform and predictable that plotting data points creates a perfectly linear arrangement. Scatter charts might have wildly varying plots that create a seemingly random correlation ...