Khan Academy
Khan Academy: Review: Clusters in Scatter Plots
An article that discusses what we mean when we talk about clusters in scatter plots. It also includes practice questions that test your knowledge of the topic.
Khan Academy
Khan Academy: Describing Trends in Scatter Plots
Practice making sense of trends in scatter plots. That is, explain what trends mean in terms of real-world quantities. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive...