BIOLOGICAL BASES OF BEHAVIOR
BIOLOGY OF CONSCIOUSNESS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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of people fall within 30 points of what IQ score?
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80
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90
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100
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110
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Explanation:
Detailed explanation-1: -For example, you can read from the chart that around 2.7% of population has an IQ of 100.
Detailed explanation-2: -On many tests, a score of 100 is considered the average IQ. Sixty-eight percent of scores fall within one standard deviation of the mean (that is, between 85 and 115). That means that nearly 70% of all people score within plus or minus 15 points of the average score.
Detailed explanation-3: -About 95% of individuals have IQ scores in the interval 100 ± 2 ( 15 ) = [ 70, 130 ] .
Detailed explanation-4: -An average person scores 100 on an IQ test using the Stanford-Binet IQ scale. A score of 137 to 160 is considered the top 1 percent to . 01 percent of all scorers.
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