Answer:
.30 to .40
Explanation:
In simple words, The average brain size of healthy people is weakly associated with intellect, with a correlation rating of 0.3 to 0.4 out of a possible 1.0. In other terms, brain volume stands about 9 to 16 per cent for human intelligence variation altogether.
The capacity of people to consider innovative concepts, respond to changing situations, benefit from experience, thought abstractly, prepare and purpose vary. Via a variety of loosely linked principles such as cognitive ability and fluid or otherwise crystalline intelligence psychologists have attempted to explore these variations in intellectual capacity.
