Best iq score for first born child

Reference no: EM1319720

Suppose IQ scores were obtained from randomly selected twins. For 20 such pairs of people, the linear correlation coefficient is .896 and the equation of the regression line is y= -.38 + .99x, where x represents the IQ score of the twin born second. Also the 20x values have a mean of 97.74 and the 20y values have a mean of 95.95. What is the best predicated IQ of the twin born first, given that the twin born second has an IQ of 101? Use significance .05.

What is the best IQ score for the first born child.

Reference no: EM1319720

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