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: Review: Outliers in Scatter Plots
Learn about the points that don't fit the pattern in a scatter plot with this article. Site also includes practice questions to test your knowledge of the topic.
Khan Academy
Khan Academy: Estimating Equations of Lines of Best Fit and Making Predictions
Practice estimating the equation of a line of best fit through data points in a scatter plot. Then use the equation to make a prediction. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...
Khan Academy
Khan Academy: Linear Regression Review
Linear regression is a process of drawing a line through data in a scatter plot. The line summarizes the data, which is useful when making predictions.
Khan Academy
Khan Academy: Correlation Coefficient Review
The correlation coefficient r measures the direction and strength of a linear relationship. Calculating r is pretty complex, so we usually rely on technology for the computations. We focus on understanding what r says about a scatterplot.