Use these AP® Statistics notes to teach UNIT 1 – EXPLORING ONE-VARIABLE DATA. Histograms, box plots, dot plots, stem-and-leaf plots, bar graphs, outliers, 5-number summary, z-scores, Normal Distribution / Normal Model, and describing a distribution's shape, center, & spread! Skewed or symmetric, median or mean, standard deviation or interquartile range... You can also use these notes for AP® Stats exam review! Aligns with the updated 2019-2020 objectives and standards of Unit 1: Exploring On