The severity of the mental retardation is commonly broken into 4 levels.
What is an average iq level.
You can refer this iq score table to know your category level and typical ability based on score range.
Almost half have national iqs of 90 or less.
While tests may vary the average iq on many tests is 100 and 68 percent of scores lie somewhere between 85 and 115.
Iq test publishers are using classification labels such as exceptional or average in order to define the different categories of iq scores.
Iq classification is the practice by iq test publishers of labeling iq score ranges with category names such as superior or average.
Low iq mental retardation.
The average iq number for any age is 100.
Having said all of that here are the average scores on the iq scale for each age group.
There is no consistent practice for labeling iq levels nor there is a uniform practice of dividing iq scores into specific categories or with specific boundary scores.
2 27 of the population falls below 70 on iq tests.
Fewer than one in five nations have national iqs of 100.
In this method an iq score of 100 means that the test taker s performance on the test is at the median level of performance in the sample of test takers of about the same age used to norm.
Most people about 68 percent have an iq between 85 and 115.
The intelligence quotient iq chart is used to determine the iq percentile range of an individual.
Average iq for each age group.
The vast majority of people fall into this category.
An iq of 70 or below may indicate limited.
Iq tests are made to have an average score of 100.
If you have a high iq score it means your reasoning and problem solving abilities are better than average and may signal intellectual potential.
Iq correlates strongly to job performance wealth income economic growth livability cooperation life expectancy and infant mortality.
An iq under 70 is considered as mental retardation or limited mental ability.
The average national iq of the world is only 90.
You re actually deemed to be within the normal iq range if you score anywhere between 85 115 on your test.
95 5 of iq scores fall between 70 and 130 99 6 of iq scores fall between 60 and 140.
The current scoring method for all iq tests is the deviation iq.
It essentially reflects how well you did on a specific test as compared to other people of your age group.