Bar graphs are graphical representations of statistical data in the form of strips or bars. This allows viewers to understand the difference between the various parameters of the data at a glance ...

Forbes contributors publish independent expert analyses and insights. I help people communicate data clearly with graphs. Nov 17, 2011, 09:57am EST Nov 20, 2011, 07:38am EST This article is more than ...

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 ...