Mathematics, 28.12.2019 02:31 bree6754

Agroup of married couples takes an iq test. the average husband's iq is 105 with an sd of 15 and the average wife's iq is 110 with an sd of 10. the correlation between husband's and wife's iq is 0.5.
a) a man has an iq of 75, what would you predict his wife's iq is?
b) of all men with an iq of 75, about what percent are smarter than their wives?

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