Mathematics, 23.04.2021 18:00 volocibel
Suppose IQ scores were obtained from randomly selected couples. For 20 such pairs of people, the linear correlation coefficient is 0.939 and the equation of the regression line is y = -11 + 1.14x, where x represents the IQ score of the husband. Also, the 20 x values have a mean of 100.9 and the 20 y values have a mean of 100.9. What is the best predicted IQ of the wife, that the husband has an IQ of 100? Use a significance level of 0.05. The best predicted IQ of the wife is . (Round to two decimal places as needed.)
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Suppose IQ scores were obtained from randomly selected couples. For 20 such pairs of people, the lin...
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