That last stat about reading level bothers me. "Ok, before anyone gets offended about reading level vs race, let's show you a stat that confirms another stereotype: religious people are stupid! And atheists are smartest of all! Scientifically proven with a reading test based on the lengths of words, and metrics I just made up. And don't worry that almost half of the data points belie my analysis, ha ha ha, it confirm…
Actually they're using the Coleman-Liau Index, a computer readability formula going back to 1975.