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by bokonist
5779 days ago
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Mexicans in general score lower on tests of English and math, both in Mexico and America. See for one example: http://www.infoplease.com/ipa/A0883611.html#axzz0xaC7EpRR This data is well known and not-controversial. The reasons for the test score disparity are quite controversial. My point is simple. You have a group A of 10 million that on average score 450 on the math SAT. You have a group B of 10 milllion that score 500 on average. If you randomly move 5 million from group A to group B, then statistically, the average score of group B will fall to ~481. |
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