You believe that the average african-american has an IQ of 90?
https://www1.udel.edu/educ/gottfredson/30years/Rushton-Jense...
unless its politically motivated.
"oh look we figured out that the black people have lower iqs. not saying this means anything. obviously. just saying. claiming the scientific method here. sorry about the results but they are what they are."
repulsive