Does This Predict That?
Associations in Numerical Data

Lesson 3
What a Point in a Scatter Plot Means 
Lesson 4
Fitting a Line to Data 
Lesson 5
Describing Trends in Scatter Plots 
Lesson 6
The Slope of a Fitted Line 
Lesson 7
Observing More Patterns in Scatter Plots 
Lesson 8
Analyzing Bivariate Data