Topic: Unit 5: Regression Analysis

Common Errors Using a Fitted Line

Common Errors Interpreting r-squared

Causal Versus Associational Wording

Why Residuals Sum to Zero

What Extrapolation Means

Using s to Describe Prediction Accuracy

Scatterplot Description Synthesis Review

Reading Values From a Scatterplot

Recognizing Linear and Nonlinear Form

Properties of r: Range and Sign