A Half Pie Chart is a 180 degrees graph that represents a composition as a whole. In Microsoft Excel, you can create a half chart if your data range has a total. When a total is in your data range, ...

Since it is tax day I chose a chart from the IRS for my comments today. Figure 1 shows the chart with the labels cropped out. The wedges of a pie chart add to 100%. Please estimate the percentage of ...

A data set that occurs frequently consists of the values or the percentage breakdown of several categories for two time periods. A common way of plotting these data is to use a pair of pie charts.

Is federal spending on the military about 50 times higher than on food stamps? That’s the message of a pie chart now circulating on the Internet. The pie chart is headlined, "Look closely at this ...