Today, we update one of our favorite charts ... pie actually works quite differently to the others. The rules and conventions for trading across each of the three pies are quite different, too. 1.

Bus = 3 × 20 = 60. These angles should add up to 360°. If they do not add up to 360°, something is incorrect. Image caption, To plot the pie chart ... in a draw = 1/4 × 24 = 6 games.

With seemingly countless options available, choosing the right chart is challenging, and the wrong choice can influence how data is interpreted. Pie charts are often the first pick when it comes ...