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This topic covers scatterplots, lines of best fit, residuals, conditional probability from two-way tables, and sampling/inference basics (roughly three or four SAT questions). You will predict values from a model, compute residuals (observed − predicted), or interpret the slope and intercept of a fit line in context. Difficulty adapts to your accuracy and every question ships with a full step-by-step solution, plus an AI tutor for any question you miss.