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March 28, 2015

Homework Help: statistics

Posted by angela on Saturday, November 23, 2013 at 8:42am.

IQ scores were obtained from randomly selected couples.For 20 such pairs of people, the linear correlation coefficient is 0.881 and the equation of
the regression line is y= -6.93+ 10.8x,
where x represents the IQ score of the husband. Also, the 20x values have a mean of 105.67 and the 20y values have a mean
of 106.9. What is the best predicted IQ of the wife, given that the husband has an IQ of 110? Use a significance level of 0.05.

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