If you want to measure wealth it would be easier to ask their income. But you brought up the same point as the parent. 0 IQ correlates perfectly with death. Re

If you want to measure wealth it would be easier to ask their income. But you brought up the same point as the parent. 0 IQ correlates perfectly with death. Really low IQs correlate perfectly with mental disabilities. High IQs correlate (almost) perfectly with socio-economic status.