This means each friend is equivalent to 20° in the pie chart. Image caption, Multiply each frequency by 20 to calculate the angles required. Walk = 8 × 20 = 160. Cycle = 2 × 20 = 40. Car = 5 × ...

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 ...