Scatter plots: studying, shoe size, and test scores
Sal answers a question about scatter plots that show the relationship between study time, shoe size, and test score.
Scatter plot: smokers
Sal chooses the scatter plot that shows that smoking rate drops by 0.5 point each year.
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.
Constructing a scatter plot
Sal shows how to construct a scatter plot.
Constructing scatter plots
Practice plotting points to construct a scatter plot.
Comparing models to fit data example
Sal determines if a quadratic or exponential model fits the data better, then uses the model to make a prediction.
Fitting quadratic and exponential functions to scatter plots
Determines if a quadratic or exponential model fits a data set better, then use the model to make a prediction.