What percentage of the population has an IQ of 85?
Most people (about 68 percent) have an IQ between 85 and 115. Only a small fraction of people have a very low IQ (below 70) or a very high IQ (above 130).
What percent of the population has an IQ of 80?
Historical IQ classification tables
| IQ Range (“deviation IQ”) | IQ Classification | Percent Included |
|---|---|---|
| 120–127 | Superior | 6.7 |
| 111–119 | Bright Normal | 16.1 |
| 91–110 | Average | 50.0 |
| 80–90 | Dull normal | 16.1 |
What percentile is an IQ of 80?
IQ percentile chart
| IQ score | IQ percentile |
|---|---|
| 50 | 0.04 |
| 60 | 0.4 |
| 70 | 2 |
| 80 | 9 |
What is an IQ of 85 mean?
85 to 114: Average intelligence. 115 to 129: Above average or bright. 130 to 144: Moderately gifted. 145 to 159: Highly gifted.
What percentage of people have an IQ between 85 and 120?
e.g. IQ is normally distributed (mean = 100, SD = 15). 68\% of people have IQs between 85 and 115 (100 +/- 15). 95\% have IQs between 70 and 130 (100 +/- (2*15). 99.7\% have IQs between 55 and 145 (100 +/- (3*15).
What percentage of people have an IQ between 85 and 115?
If we apply the empirical rule to IQ distribution, we can say that 68\% of people have an IQ between 85 and 115; 95\% – between 70 and 130; and 99.7\% – between 55 and 145. The percentile of a score is the percentage of people who score equal to or below the score.
What is the 2nd percentile of IQ?
IQ percentile The percentile of a score is the percentage of people who score equal to or below the score. For example, an IQ score of 70 is in the 2nd percentile (for SD = 15), which means that only 2\% of people score 70 or lower. IQ 125 is at the 95th percentile – 95\% of people have an IQ equal to or less than 125.
What percentage of people in the world have an IQ of 145?
In simple words, this means there are a lot of “normies”, a few geniuses, and a few intellectually disabled people in a standard population. If we apply the empirical rule to IQ distribution, we can say that 68\% of people have an IQ between 85 and 115; 95\% – between 70 and 130; and 99.7\% – between 55 and 145.
What is IQ and how is It measured?
IQ tests are designed and updated on a regular basis such that they correspond to the populations they measure in a precise way: a score of 100 is the average score of the population and the distribution of IQ scores has a normal shape with a standard deviation of 15.