Suppose IQ scores were obtained from randomly chosen siblings. For 20 such pairs of people, the linear correlataion coefficient is 0.887 and equation of the regression line is y= -2.86 + -20.86 + 1.03x wwhere x represents the IQ score of the younger child. Also the 20x values have a mean of 101.8. What is the best predicted IQ of the older child, given that the younger chld hs in IQ of 108.