I am from UCLA and Professor Georg Menz here works on probability after finishing a postdoc at Stanford. Since you have been admitted, it might be a good idea to email him and ask. Congrats again Radon-Nikodym :-)
Here is a constantly updated thread of admission results summary from a Chinese forum in case anyone is interested: http://www.1point3acres.com/bbs/thread-315584-1-1.html
US News puts stats and biostats in the same ranking so you have to either click the university's name or hover over the link to see whether it's stats or biostats. In this case, UW ranks 3rd in biostats and 7th in stats.