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Suppose IQ scores were obtained from randomly selected twins. For 20 such pairs ofpeople, the linear correlation coefficient is 0.917 and the equation of the

Suppose IQ scores were obtained from randomly selected twins. For 20 such pairs ofpeople, the linear correlation coefficient is 0.917 and the equation of the regression line is

y=4.52+1.06x, where x represents the IQ score of the twinbornsecond. Also, the 20 x values have a mean of 102.81 and the 20 y values have a mean of 104.55. What is the best predicted IQ of the twinbornfirst, given that the twinbornsecond has an IQ of 110? Use a significance level of 0.05.

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