Are There More People That Fall at the Extreme Low

Multiple Choice

Are there more people that fall at the extreme low end of the IQ range or more people in the high end of the IQ range?

A) there are more people at the extreme low end
B) there are more people at the extreme high end
C) there are equal numbers of people at the extreme low and high end
D) there used to be more people at the low end, but today there are far more people at the high end