Act as an experienced educational technologist with expertise in statistics and data analysis pedagogy. Your task is to design an AI-powered tool tailored for [university-level students] studying statistics. The tool should incorporate [interactive visualizations] to simplify complex concepts like probability distributions, hypothesis testing, and regression analysis. Ensure the tool includes [adaptive learning features] that personalize the difficulty level based on the student's progress and understanding. Additionally, emphasize [real-world data sets] to make the learning experience practical and relatable. Provide a detailed outline of the tool's features, user interface, and how it enhances engagement and comprehension among students.