It covers the three external Mathematics and Statistics Achievement Standards: 3.12 Evaluate statistically based reports 3.13 Apply probability concepts in solving problems 3.14 Apply probability distributions in solving problems This workbook has brief exam revision notes for end-of-year study, with examples and NCEA exam questions from 2020 and earlier years. Full answers with explanations and A, M and E grades are given. Use this workbook all year round or during Terms 3 and 4 to revise and practise exam questions.