I help people communicate data clearly with graphs. Nov 17, 2011, 09 ... this blog after a presentation I gave on graphical mistakes at the ... we perceive the information in a bar graph.

How to make a bar graph in Excel. First, open the Excel application and retrieve the spreadsheet you're pulling the data from. The bar graph needs to have a range of data before you can make it.

Graphs, charts and maps can be used to show geographical information. Choosing the correct method of data presentation is important. Knowing how to complete a graph is an essential geographical skill.

Data visualization is the presentation of data in a graphical format such as a plot, graph, or map to make it easier for decision makers to see and understand trends, outliers, and patterns in data.

A histogram is a graphical representation of data points similar in appearance to a bar chart. What Is a Histogram? A histogram graphically represents data points organized into user-specified ranges.

Graphs, charts and maps can be used to show geographical information. Choosing the correct method of data presentation is important. Knowing how to complete a graph is an essential geographical skill.