All students who attend Lake Wobegon College must take the math and verbal SAT exams. Both exams have a mean of 500 and a standard deviation of 100. The regression equation relating y = math SAT score and y= Verbal SAT score is y=250 +0.5x

1. Find the predicted math SAT score for a student who has the mean verbal SAT score of 500. (Note. At the x value equal tothe predicted value of y equals
2. Show how to find the correlation. Interpret its value as a standardized slope. (Hint: Both standard deviations are equal.
3. Find r2(squared)and interpret its value.