Recorded lectures and resources

Difference Equations class 16th August 2011: Recorded Lecture and PDF
Martingale class 4th October 2011: Recorded Lecture, and PDF notes: Martingales PDF and Stopped processes PDF.

Stats 721: Past Exams and Tests

Solutions below are only for the questions that differ between 721 and 325. Please see the 325 exams page for solutions to the rest of the exam.

Before 2011, the material of Assignments A and B was tested separately on an end-of-semester test. These are provided below for extra practice.