In Summer 2019, College Board released an updated version of the AP Statistics Course and Exam Description (CED). This document proposed teaching concepts in a new sequence. Below you'll find the updates we've made to our units in order to try out this new sequence. We are using The Practice of Statistics, 6e Updated textbook. Looking for the rest of the lessons for the year? All of our previous units can still be found here. Not all units needed an update for the CED alignment.