Robin Levine-Wissing is an AP® Statistics Instructor at Glenbrook North High School in Northbrook, Illinois. She holds a bachelor’s degree in Mathematics and Education from American University, in Washington, D.C., a master’s degree in Communication Sciences from Kean University of New Jersey, and an Educational Leadership certificate from North Central College in Naperville, Illinois. She has been teaching mathematics for 28 years, AP® Statistics for 10 years, and has been a reader of the AP® Statistics exams for 6 years. In June 2006, Robin became a table leader for the College Board®. She has been an AP® College Board® Faculty Consultant and workshop presenter since 2000. David Thiel is a 20-year teacher of mathematics and physics in Las Vegas, Nevada, and has a passion for probability and statistics. He has been teaching statistics for 15 years and has been involved in the Advanced Placement® Statistics Program since its inception in 1996. He is a College Board® consultant for AP® Statistics and has been an exam reader for 6 years.