Included in purchase is the answer key in order (Category 1 $100-500, category 2 $100-500, etc.) and the link to the jeopardy game website. Membership is not needed to play on the website, but you will need to upgrade to pro on their site if you want the buzzer mode (not necessary but fun if your students are very competitive) follows Unit one vocab and example problems of AP Statistics (Categorical and quantitative data, normal curve)