<On average, african americans are taller than white men and have a higher muscular density.>

Are you comparing direct descendants of Yoruba versus descendants of Celts in America ? or mixed descendants of Bantu and Cherokee versus mixed descendants of Anglo-Saxons and Slavs ? In your study would Barack Obama be a person of color or a person of pallor ?

Or is this data you have gathered observing people at Costco. Just checking on your scientific methodology.

https://pubmed.ncbi.nlm.nih.gov/6735823/

https://www.researchgate.net/publication/12481554_Measures_o...

People at Costco would be smarter than average so not a valid sample.