Scatter plots: studying, shoe size, and test scores

VIDEO 2:26 minutes
Sal answers a question about scatter plots that show the relationship between study time, shoe size, and test score.

Scatter plot: smokers

VIDEO 2:35 minutes
Sal chooses the scatter plot that shows that smoking rate drops by 0.5 point each year.

Describing trends in scatter plots

PRACTICE PROBLEMS
Practice making sense of trends in scatter plots. That is, explain what trends mean in terms of real-world quantities.

Constructing a scatter plot

VIDEO 2:32 minutes
Sal shows how to construct a scatter plot.

Constructing scatter plots

PRACTICE PROBLEMS
Practice plotting points to construct a scatter plot.

Comparing models to fit data example

VIDEO 4:05 minutes
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

PRACTICE PROBLEMS
Determines if a quadratic or exponential model fits a data set better, then use the model to make a prediction.