Can I just ask if someone has checked to make sure this image really appears in the source cited and that it is real data from a wideranging survey of some kind I ask because I find it incredible that four groups were tested and found to have very different average IQs yet they all had the EXACT same frequency distribution of IQ relative to the mean If thats what the data says then I have no objections but I just want to be sure were not letting false information into the article under the assumption that its legitimate