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Why is IQ a bell curve?

Updated: 11/6/2022
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14y ago

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Nearly everything in nature can be measured on a bell curve. It is a natural tendancy that math tries to explain with the bell curve. The result of all our genes working together produces an individual. Some genes are more favorable to a high intelligence than others. Therefore the most common result is the apex of the curve, and the less common results have lower probability.

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Q: Why is IQ a bell curve?
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Related questions

What does a bell curve of IQ look like?

The "bell curve" of anything, with the peak of the curve supposedly at a score of 100.


What is a real-life example of a normal curve called a bell curve?

IQ Test


IQ scores on a graph look like?

a bell curve.


Deviation IQ scores produce a normal curve that is shaped roughly like?

it is shaped roughly like a bell... a bell curve.


Are there as many people with 75 IQ as there are with 125 IQ?

According to the bell curve, I would think so.


Regarding intelligence what does the bell curve assert?

The IQ range. In regards to the IQ of 100 or perfectly average, an IQ of 0 or the far left of the bell curve (a.k.a nearly brain dead), and the IQ of 200 which would be the smartest human alive. If another person where to be born with more intelligence, greater than the individual(s) considered to be at the 200 mark the bell curve would move or spread out.


What is a bell curve?

A bell curve is a symmetrical bell-shaped graph curve that represents the arrangement of values, how often something occurs, or probability of occurance of a set of data. It slopes downward from a point in the middle corresponding to the average also called mean value, or the maximum probability. Gather all the results of an IQ test and make a graph of them, would create a bell curve with average IQ being the mean value. The more results or values, the better the bell curve. It can be made with a line graph or a bar graph.


What is Jose Rizal's IQ?

Dr. Jose Rizal's IQ is estimated to be in the 150-160 point range of the Guassian bell curve. Jose Rizal was a genius and a polymath.


What is a single peaked distribution in statistics?

The classic example is a Bell curve. IQ testing (using the WAIS, or Wechsler Adult Intelligence Scale) yields a peak at the 100-105 IQ mark, with a downward curve on either side of the peak - representing the higher and lower IQ scores, respectively.


What does your IQ have to be to join Mensa?

an IQ of 132 in SD (standard deviation) of 16 and 130 in a SD of 15 , this mean top 2% of world's population according to the bell curve..for more info , search in google.


A bell curve indicates in a trait?

a bell curve indicates a what in a trait?


What does 111 IQ mean?

IQ is a "Normally Distributed random variable" meaning that it follows a bell curve. This curve is centred on 100, meaning that 100 is the average value for all people. The standard deviation is 15, meaning that 95% of the population is meant to be within 70-130 for their IQ. 111, therefore, is a slightly-above-average IQ test, however, IQ tests are subject to error, and depending on the questions, you could get a different score next time.