How are IQ scores distributed in a population?

Solution

Intelligence Quotient (IQ). IQ refers to mental age divided by chronological age, and multiplied by 100.

$IQ space equals space MA over CA space straight x space 100$

Distribution of IQ score in a population-
IQ scores are distributed in such a way that the IQ scores of most people tend to fall in the middle range of the distribution. Most people show a moderate level of performance i.e. in the middle range of the distribution.
Very few are on extremes showing:-
a) Extreme high (excellent) performance (2.2%)
b) Extremely low (very poor) performance (2.2%

Frequency distribution of IQ Scores – tends to approximate a bell-shaped curve. It is called Normal Curve where the curve does not touch the x-axis.There is no one with 0 IQ.

Some More Questions From Social Influence And Group Processes Chapter

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Social Influence And Group Processes

How are IQ scores distributed in a population?

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