A person’s IQ (intelligence quotient) is a score derived from standardized tests designed to measure human intelligence and intellectual potential. IQ tests include questions that measure reasoning and problem-solving skills. The discovery that average IQs differ worldwide has been a focus of inquiry and controversy.
50% of americas are more intelligent than average american.
More intelligent than the median American.
Maybe not the mean American because the distribution is skewed as IQs can be higher than 200 but not negative.