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Suppose IQ scores were obtained from randomly selected couples. For 20 such pairs of​ people, the linear correlation coefficient is 0.907 and the equation of the regression line is y=9.88+0.9x​, where x represents the IQ score of the husband. What is the best predicted IQ of the wife​, given that the husband has an IQ of 101​?

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Answer:

108.88

Step-by-step explanation:

Given that:

Equation of Regression line obtained for couple's IQ:

y=9.88+0.9x

x represents the IQ score of the husband

The best predicted IQ of wife Given that husband's IQ is 110

y = 9.88 + 0.9(110)

y = 9.88 + 99

y = 108.88

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