Congratulations on these two acceptances. Both are very good programs.
If you want to attain a faculty position, then it is probably in your best interest to go to the highest ranked program that you can get into. Program prestige can be more important than research or advisor when hunting for faculty position. For that reason, UW might be the better option.
Also, UW is doing exceptionally strong research in "high-dimensional statistics, statistical computing, nonparametrics, statistical genetics, causal inference, epidemiology," etc. (a rather broad range of interests I might add). So is CMU of course, but don't write UW off because you don't think it fits your research interests.