@Eric Okay, results are as follows. I was able to construct a best linear approximation, which has 0.920 correlation. That's not a whole lot larger than #Q by itself, but if you just want a single number to look at, this is it. By that, the average graduated site ranks only 24.98. The best possible with 45 graduated sites is 23, so that's pretty good. Other than StackApps, which is #78, the lowest any currently graduated site comes in at is 52, which is Mi Yodeya. 50 and 51 are Skeptics and Christianity, respectively. I probably shouldn't really count StackApps at all, but I've included it …