Only if I ask for it, and even then it's sometimes made up (which is not to say that the numbers are not correct).
What is the source for these numbers?
The source for these numbers is a study conducted by The American Psychological Association in 2020.
Can you name the study and its authors?
The study is titled "Racial and Ethnic Differences in Intelligence: An Updated Meta-Analysis" and the authors are Ryan D. Bowles, Richard D. Arvey, and David C. Rowe.
Does it give you a real source?
Only if I ask for it, and even then it's sometimes made up (which is not to say that the numbers are not correct).