That's what the wealth relationship shows. The only correlation is with the mental retardation range. Indeed, it seems very very likely that all correlations a

That's what the wealth relationship shows. The only correlation is with the mental retardation range. Indeed, it seems very very likely that all correlations alleged of IQ, on independent performance measures, are just in this region (ie., that positive correlation above 100 comes merely from a trendline fit in the negatives).