What is the best predicted IQ of the wife,husbands IQ is 103?

Question

for 20 such pairs of people the linear correlation coefficient is 0.926 and the equation of the regression line is y=-22.61+1.23x, where x represents the IQ score of the husband. Also, the 20 x values have a mean of 97.71 and the 20y values have a mean of 97.2. What is the best predicted IQ of the wife, given the husband has an IQ of 103? where do I even start?

Answer 1

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