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Bell Curve for Intelligence IQ scores for a population-based sample usually fall into this kind of
On March 25, 1911, as scores of young factory girls leaped to their deaths from the eighth, ninth, a
Iowa Gambling Task Scores Across Age
. In which distribution is the mean more “typical” of all scores?
Expected Distribution of IQ Scores
IQ scores form what mathematicians call a normal distribution "bell curve"