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Suppose IQ scores were obtained from randomly sele...

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Suppose IQ scores were obtained from randomly selected twins. For 20 such pairs of people, the linear correlation coeficient 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 and IQ of 101? Use significance .05 . what is the best IQ score for the first born child.

 

Paper#13257 | Written in 18-Jul-2015

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