What is the IQ chart? IQ chart is an infographic display of the various IQ scores, which also means the various IQ classifications from the lowest possible IQ score to the highest possible IQ score, so that each classification is related to a percentile rank that has many other ranks above or below it.
|IQ graph of normal distribution|
Is the IQ chart accurate?
The IQ chart is absolutely accurate. It does not really matter, the type of IQ test you take since an IQ score can be converted to a percentile rank so that it relates with other IQ scores on other IQ tests, given some criteria metrics such as a Mean (usually 100) and a Standard Deviation (usually 15), depending on the scale/IQ test.