Quite often the difference between the top 10 percent is higher than the difference of the people between 45% and 55%.
IQ scales have more people in the middle than on the edges.
As far as I remember, IQs are normalized ranks so to answer the question which 10% is “wider” you need to define by which measure.
Quite often the difference between the top 10 percent is higher than the difference of the people between 45% and 55%.
IQ scales have more people in the middle than on the edges.
As far as I remember, IQs are normalized ranks so to answer the question which 10% is “wider” you need to define by which measure.