Univariate Graphical Displays & Visualization Integrity

Practice univariate graphical displays & visualization integrity through 25 original single-select and multiselect questions. Build from core understanding and calculations to interpretation, counterexamples and method selection. Prerequisites: arithmetic, percentages, ordered data and the preceding foundations topics. Choose displays for categorical and numerical data; Decode dot plots and stem-and-leaf keys; Compute frequency, relative frequency and density; Interpret cumulative displays and interpolation; Diagnose misleading visual encodings; Evaluate distribution comparisons and information loss. Worked solutions explain the reasoning and each distractor. Quantile, trimming and variance conventions are stated where needed. Sources include NIST and established statistical documentation. Cover photograph: Lukas Blazek / Pexels.