Topic: Fitting a Simple Linear Regression

Repeated Predictor Values and Fitted Responses

Reading the Sign of a Residual

Least Squares as a Fitting Rule

Interpolation and Extrapolation With a Fitted Line

Hand-Fitting a Line from Raw Observations

Deriving the Least-Squares Coefficients

Defining and Calculating Residuals

Comparing Candidate Lines by Squared Error

Common Errors in Simple Regression Calculations

Calculating a Fit from Summary Statistics