44 *A report summarizing the results of a study on the relationship between scores for stu- dents on a verbal aptitude test X and a inathematics aptitude test I' states that X = 480. =500, sx=80, sy = 120, and r = .60.

a) Using the formulas for the correlation and for the least squares estimates, find the pre- diction equation.

b) Find the prediction equation for predicting verbal test result using math test result.