If you are researching the forest in a specific national park, a pie graph showing how many of each species of tree found there, would be helpful for this research.
A pie chart also known as a circle chart is a circular statistical graphic, which is divided into slices to depict numerical proportion.
Pie charts are very widely implemented in the business world and the mass media.
Pies charts receive their name because the look like a pie which has been sliced. However, there are variations on the way it can be presented.
