The Year 4 Statistical Inference rubric is designed to assess students’ mastery of advanced statistical concepts and their ability to apply these methods to real-world problems. The rubric evaluates theoretical understanding; practical application; and critical thinking in statistical inference; ensuring students develop the skills necessary for graduate studies or professional careers in data analysis; research; and related fields. Students are expected to demonstrate proficiency in key topics such as point and interval estimation; hypothesis testing; likelihood-based inference; and Bayesian methods. The rubric emphasizes the ability to derive and justify statistical procedures mathematically while interpreting results in context. By engaging with these concepts; students strengthen their analytical reasoning and problem-solving skills; which are essential for evidence-based decision-making. Practical application is a core component; with students required to implement statistical techniques using software such as R or Python. This hands-on experience ensures they can translate theoretical knowledge into actionable insights; preparing them for data-driven roles in industry or academia. The rubric also assesses the clarity and rigor of written explanations; fostering communication skills that are critical for presenting statistical findings to diverse audiences. Critical thinking is evaluated through the analysis of assumptions; limitations; and ethical considerations in statistical inference. Students learn to evaluate the validity of methods and recognize potential biases; cultivating a nuanced understanding of statistical practice. By meeting these learning objectives; students gain a robust foundation in statistical inference; equipping them for advanced study or professional challenges in an increasingly data-centric world.