To make a pie chart, organize the data as fractions of the whole. Multiply each fraction by 360 degrees, which is the number of degrees in a circle, and assign each multiplied fraction a portion of the pie chart. More » Math Data Graphs

You can create a pie chart in Excel and format it for a professional look. You can also rotate the chart slices for different perspectives. More » Technology Software, and are some websites that provide pie chart creators. and the Kids Zone section of the National Center for Education Statistics website,, provide simp... More » Art & Literature Graphic Design
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Pie charts are an efficient and easy to read way to represent data in percentages or portions. However, it is sometimes difficult to include absolute numbers on a pie chart instead of percentages, particularly if there a... More » Math Data Graphs

T create a pie chart online, visit a website such as or, and fill in the fields to populate the chart. Each online chart-making tool has its own way of asking for data, but most require ent... More » Math Data Graphs

Histograms and bar charts are different in several ways, but a major distinction is that the bars in histograms represent ranges of data, while the bars in bar charts represent categories. For example, a histogram might ... More » Math Data Graphs

The difference between graphs and charts is mainly in the way the data is compiled and the way it is represented. Graphs are usually focused on raw data and showing the trends and changes in that data over time. Charts a... More » Math Data Graphs