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almondguy comments on 2013 Survey Results - Less Wrong
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It's very interesting that the same mistake was boldly made again this year... I guess this mistake is sort of self reinforcing due to the uncannily perfect equality between mean IQ and what's incorrectly estimated from the SAT scores.
Actually, I just ran the numbers on the SAT2400 and they're closer; the average percentile predicted from that is 99th, which corresponds to about 135.
2210 was 98th percentile in 2013. But it was 99th in 2007.
I haven't seen an SAT-IQ comparison site I trust. This one listed on gwern's website for example seems wrong.
If I remember correctly, I did SAT->percentile->average, rather than SAT->average->percentile; the first method should lead to a higher estimate if the tail is negative (which I think it is).
[edit]Over here is the work and source for that particular method- turns out I did SAT->average->percentile to get that result, with a slightly different table, and I guess I didn't report the average percentile that I calculated (which you had to rely on interpolation for anyway).
It's only accurate up to 1994.