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Sal answers a question about scatter plots that show the relationship between study time, shoe size, and test score.
Sal chooses the scatter plot that shows that smoking rate drops by 0.5 point each year.
Practice making sense of trends in scatter plots. That is, explain what trends mean in terms of real-world quantities.
Sal shows how to construct a scatter plot.
Practice plotting points to construct a scatter plot.
Sal determines if a quadratic or exponential model fits the data better, then uses the model to make a prediction.
Determines if a quadratic or exponential model fits a data set better, then use the model to make a prediction.