Statistics Article

Here is a link to the article we discussed in statistics class today. Let me reiterate that I DO NOT assert that smart people in general make less money. However, I am asking you, in one paragraph, to provide a logical and plausible explanation for why there could be a negative correlation between intelligence and income for individuals with Bachelor Degrees and a positive correlation for those with other degrees (HS diplomas and advanced degrees like Masters or Doctoral degrees).

The link is http://www.halfsigma.com/2006/07/higher_intellig.html