Does a high value of r2 imply that two variables are causally related? Explain. In your own words, explain the difference between an interval estimate of the mean value of y for a given x and an...

Does a high value of r2 imply that two variables are causally related? Explain.

In your own words, explain the difference between an interval estimate of the mean value

of y for a given x and an interval estimate for an individual value of y for a given x.