What Percentile Is an Iq of 140

IQ tests are designed so that 100 is the normed average score and scores fall across a normal bell curve distribution with a standard deviation of 15. So an IQ score of 130 is well above an average and is considered an excellent result.

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Stanford-Binet scale and less frequently used SD24 eg.

. The table below provides IQ to percentile conversion formula. I hope you can see the importance of quoting the correct scale on which such things are measured. At what percentile is an IQ score of 150 IQ Score Average Is a 140 IQ good.

There are three different standard deviations used to IQ measurement. An IQ of 140 on the Cattell scale represents the 9543 percentile or in the top 457 of the population. Whereas on some different measures which may foresee the idiosyncratic way of high intelligence their IQ may turn out to be higher eg Stanford-binnet intelligence scale.

Wechsler scale SD16 eg. 215 rows IQ Percentile and Rarity Chart. There is no.

The Basics of IQ Score Interpretation. It is a score that shows how well. These are IQs their percentiles and rarity on a 15 SD.

Standard deviation of 15 eg. An IQ of 140 on the Wechsler scale represents the 9964 percentile or in the top 036 of the population. The most astounding IQ one can acquire on the WAIS Weschler Adult Intelligent Scales is 140.

On a standardized exam such as the Stanford-Binet test the average IQ score is 100. 8 rows IQ test IQ is an abbreviation for Intelligence Quotient.

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