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How is IQ numbers based?

Updated: 9/15/2023
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Butterflymom7

Lvl 1
13y ago

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IQ scores are converted from the raw score of the test to a standardized scale, wherein everybody can be compared and applied to a normal distribution. We know that many things are normally distributed when enough of a sample has been examined. This is also the case for the IQ. Thus, we can compare your score to everyone else (even if they didn't take the IQ test) based on the likelihood that the population distribution of scores is normal. Somewhere along the line somebody decided that 100 would be average and 15 would be the standard deviation. Now everybody is compared along the same scale using standardized scores.

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What do IQ numbers mean?

They show how clever you are. More specifically, IQ numbers indicate your capacity for learning.


What is the IQ for 20 year old female?

IQ is not based on age, it's based on intelligence.


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Are there people with an IQ of 200?

Yes, however IQ numbers are not standardized. What is 200 on one test may not be a 200 on another. As a result large numbers of people cause large IQ's to exist. IQ is simply a statistic, so the greater the population of the world becomes the higher rating will be given to the top performers.


Is an IQ score of 69 good?

An intelligence quotient, or IQ of 69 is just below the range of 95% of the population, based on those figures an IQ of 69 is not good.


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