15–23% of the AP exam. Key topics: Categorical vs. quantitative variables, Frequency tables and relative frequency tables, Dotplots, stemplots, histograms, and boxplots, SOCS framework: shape, outliers, center, spread, Mean, median, IQR, standard deviation, Identifying and computing outliers using 1.5 × IQR rule, z-scores and standardization, Normal distribution: proportions and percentiles, Empirical rule (68–95–99.7).
Study guide content for this unit is being prepared. Check back soon for complete lesson notes, formula sheets, and worked examples.
