Hacker News Reader

Yes, but let's not forget that the variation in IQ within races and genders is larger than between them.

The variation in altitude between the highest and lowest aircraft is greater than the difference between average altitudes of planes and cars.

I could have worded it better but I'm sure you understand what I was trying to say.

With gender, it's easy. There appears to be no solid evidence for any difference in IQ between men and women, in terms of averages.