Escape Room Review Activity for AP Statistics Unit 10 (Confidence Intervals) Turn your Unit 10 confidence interval review into a high-energy escape room your students actually stay engaged in. In this “Confidence Vault” mission, teams work through two locked doors and a final vault seal by answering MCQs and completing two short FRQ-style reports. The flow is simple and classroom-tested: students must crack the first MCQ code to earn the first FRQ, finish the FRQ to unlock the next MCQ set, and