http://homepage.mac.com/harpend/.Pub...jbiosocsci.pdf
According to several studies Ashkenazi Jews score 0.75 to 1.0 standard deviation above the general European average. This corresponds to an IQ of 112-115. Other studies have found somewhat lower values. During the 20th century, they made up about 3% of the US population but won 27% of the US science Nobel Prizes and 25% of the Turing Awards. They have high verbal and mathematical scores.