Because nobody seems to know this anymore, as illustrated by the Andrew Sabisky whoop-tee-doo, here is Philip L. Roth et al.’s 2001 “Ethnic group differences in cognitive ability in employment and educational settings: a meta-analysis,” in Personnel Psychology aggregating 105 cognitive studies of 6,246,729 individuals.
Why there is a white-black gap in intelligence remains an open question, but the fact that a white-black gap exists is settled science.