Статистики какие-то брезгливые пошли

To enable a comparison to the literature, we employed Lynn and Vanhanen’s estimates of national IQ in countries that have mostly indigenous inhabitants (in line with Templer & Arikawa). We excluded Equatorial Guinea, because the IQ data that were used by Lynn and Vanhanen (2006) were erroneously based on a sample of mentally retarded children from Spain.

via comments in Andrew Gelman's blog