About one in five graph readers categorically misinterpreted bar graphs that depicted averages. "These readers sketched all, or nearly all, of the data points below the average," said Wilmer.

In this post we show you how to create a Bar Graph or Column Chart in Excel. Bar graphs could be both 2-D or 3-D depending on the editor you use.

Researcher Invents New Graphing Method: 'Diamond Graph' Corrects Long-standing Errors Of 3-D Bar Graphs Date: August 13, 2003 Source: Johns Hopkins University Bloomberg School Of Public Health ...