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 ...

Forbes contributors publish independent expert analyses and insights. I help people communicate data clearly with graphs. Graphs are pictorial representations of numbers. Therefore, at the least, we ...

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.

This example generates several graphs of sales data that can be accessed from a single Web page. The graphs are two bar charts of summary sales data and three pie charts that break the data down by ...

One way of demonstrating how businesses manage their stock levels is to use a bar gate stock diagram like the one below. The maximum stock level is the largest amount of stock a business can store on ...

A single large value in Microsoft Excel can disrupt your whole graph. For example, if you create a bar graph showing the market share held by each company in your industry, a single dominant ...