Refer to the previous exercise.
a. Predict the math SAT score for a student who has a verbal SAT = 800.
b. The correlation is 0.5. Interpret the prediction in part a in terms of regression toward the mean.
Previous exercise
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 x = verbal SAT score is  = 250 + 0.5x.