PowerPoint presentations with multiple sequential graphs, such as monthly results each on a separate slide, tax viewers' short-term memory, preventing them from absorbing the results. Beth Lisberg ...

Bar graphs seem like one of the simplest ways to represent data. Many people assume that the longer the bar, the bigger the number it represents. Sometimes bar graphs represent an average not a total ...

You can make a bar graph in Excel by first selecting the range you want to depict, and then using the dropdown menu to select the desired chart.

These minitron bar graph units could only be viewed from the top, and were apparently high in cost and low in availability.