uppose IQ scores were obtained from randomly selected couplescouples. For 2020 such pairs of​ people, the linear correlation coefficient is XXXXXXXXXX and the equation of the regression line is...

uppose IQ scores were obtained from randomly selected

For

such pairs of​ people, the linear correlation coefficient is

and the equation of the regression line is

where x represents the IQ score of the

​Also, the

x values have a mean of

and the

y values have a mean of

What is the best predicted IQ of the

given that the

has an IQ of

Use a significance level of 0.05.