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Suppose IQ score were obtained from a randomnly selected siblings.For such 20 pairs of people the linear corelation is 0.896 and the equation of regression line is y= -6.67+1.05x ,where x represents the iq score of the younger child.Also ,the 20 x values have a mean if 97.84 and the 20 y values have a mean of 96.05. What is the best predicted IQ of the older child,given that the younger child has an IQ of 99?Use a significance level of 0.05.

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