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What is the description of IQ scores according to the normal model with a mean of 100 and a standard deviation of 15?

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Final answer:

IQ scores in the normal model with a mean of 100 and a standard deviation of 15 range from below average to superior.

Step-by-step explanation:

The description of IQ scores according to the normal model with a mean of 100 and a standard deviation of 15 is as follows:

  • An IQ score of 85 or below is considered one standard deviation below the mean.
  • An IQ score between 85 and 115 is considered average, with 68% of the population falling within this range.
  • An IQ score of 115 or above is considered above average, with 16% of the population falling within this range.
  • An IQ score of 130 or above is considered superior.

For example, a score of 70 would be described as 'one standard deviation below the mean' and a score of 115 would be considered average.

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