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    3. if a person' s IQ is in the top tenth of the nation, what would his IQ be?
    if a person' s IQ is in the top tenth of the nation, what would his IQ be?

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    0  Views: 413 Answers: 3 Posted: 12 years ago
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      3 Answers

      It depends on the measure device. While all use 100 as the mean, some have a standard deviation of 15 and some 30. So a score of 115 on one would be equivalent to 130 on another. (One standard deviation) while 130 on the first would be 160 on the other. (two SDs). Percentiles therefore are better considered than scores.


      The answer then is that his/her IQ would be better than 90% of the population.

      12 years ago. Rating: 2
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        Chiangmai

        Great explanation.

        There's deviation here for your high IQ!
        commented 12 years ago

        what nation?

        12 years ago. Rating: 1
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          Chiangmai

          Go read my question on highest average IQ.
          commented 12 years ago


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