Lakeville school administrator and former math teacher Jason Molesky has written a study guide for the Advanced Placement test in statistics. Molesky’s text, “Strive for 5: Preparing for the AP Statistics Examination,” is a supplement to “The Practice of Statistics,” a textbook geared toward students taking high school AP statistics. Molesky is Lakeville schools’ Director of Program Evaluation and Accountability and an adjunct professor of education at St. Mary’s University.