Assignment task: There are several commonly agreed-upon statistics regarding IQ tests.
1. What shape describes the distribution of IQ test scores?
2. What is the average IQ score?
3. What is the standard deviation of IQ tests?
4. What scores fall into the average range of IQ? What percentage of the population falls within this range?
5. What score is 2 standard deviations below the mean, and what term is used to describe individuals who fall at that score or below?