Here is a good resource:
http://www.khanacademy.org/
That website has a lot of stuff. Someone else on SDN posted it and I found it pretty useful for review. I used it to briefly go over probability. There might be some stuff on statistics. I think I only had one statistics question on my test (well, maybe two if you count mean, median and mode but that's pretty easy). If you review it a couple of times, you should be okay.