So this class is not enjoyable. Can be very difficult to sit through and the material is pretty dry and sometimes really confusing later in the course. I definitely walked away from class feeling confused a lot of the time even when taking notes/paying attention. However, she makes homework incredibly reasonable, she gives a TON of partial credit on exams and she curved our final. A lot of the time the test questions were extremely similar to ones we did in class or for homework so I would definitely study those before tests because that really helps. Even though class itself kind of sucks it isn't that hard to do well, so if you have to take this class for STAT major I would take it with Zhen.