Pie charts should be converted into accessible tables. It is not necessary to describe the visual attributes of the charts, e.g., red wedge, blue lines, etc., unless there is an explicit need such as ...

The pie chart below shows the heights (in \(cm\)) of 30 pupils in a class. The biggest slice of the pie chart contains the most people: \( 151 - 160cm\). The angle of this sector is \(36^{\circ}\).

“I color-code my time management,” Krishnan said. “There's a pie chart that I look at, and every other month, I audit and see how I’m spending my time and whether I need to course-correct.

Stacked bar charts have a specific function. They're the best-possible way to visualize data in these situations.

To draw a pie chart, we need to represent each part of the data as a proportion of 360, because there are \(360^{\circ}\) in a circle. For example, if 55 out of 270 vehicles are vans, we will ...