Pie charts show percentages as a circle, divided into segments. A pie chart could be used to show how students travel to school. Each piece of data is shown as a proportion of 360, because there are ...

Scatter graphs are used to represent and compare two sets of data. By looking at a scatter graph, we can see whether there is any connection (correlation) between the two sets of data. Matt sells ...

SPOILER ALERT: If you haven’t yet taken our Science Knowledge Quiz, please do so before reading this any further because we give away one of the answers. In a recent survey of what Americans know ...