This Guide supports study and revision for IBDP Mathematics HL Paper 3, for students planning to answer questions on Topic 7 Option: Statistics and Probability. Coverage includes: a review of key aspects of the syllabus; how to apply mathematical concepts to exam-style questions; concise definitions of mathematical terminology; guidance on boosting exam performance; and how to perform operations using a TI-84 calculator. Key features: worked examples to demonstrate how to solve exam problems; practice questions to test understanding; margin boxes with key points, hints, and tips; and clearly presented equations, diagrams, and tables.