Questions and solutions on linear regression:

AH Statistics - Linear Regression.pdf
Estimating the value of r, then calculating all of the information by hand from the table of values. Full solutions included.

AH Statistics Linear Regression (flow chart).pdf
A suggested order in which to approach bivariate data (data with two variables), starting with approximate methods and checking the validity of the model as you go.

AH Statistics Linear Regression (harder questions).pdf
Harder questions testing some theoretical topics

AH Statistics Linear Regression (Running Times).pdf
An extended Paper 1 style practice question

AH Statistics Linear Regression (Confidence and Prediction Intervals).pdf
More Questions

AH Statistics - Residual Plots.pptx
AH Statistics - Transforming Variables.pptx