Labels:ellipse | monitor | sky | tribute album | vegetarianism OCR: How far do people differ in intelligence? Typically in intelligence tests, the spread of scores follows bell-shaped curve The majority Of people have around If you test a average intelligence few are highly intelligent large sample of the population there and few are of low intelligence. considerable range of IQ scores Normal Distribution of Intelligence LowIQ High IQ Average There is no difference in intelligence between males and females. or between Pld and young Intelligence develops anoqr the age of sixteen and remains at that level during adult life. It used to be thought that there was marked decline in old age but this seems not be the case although some of the diseases age do affect intelligence until aoogt