A set of 157 multiple choice quiz questions for biostatistics courses, organized and searchable by 18 concepts/skills. A set of 157 multiple choice quiz questions that were designed for learning evaluation in introductory undergraduate biostatistics courses. The questions provide students with a figure, dataset, or example problem, and evaluate whether they can apply 18 concepts/skills: Coding in R, Confidence Intervals, Critical Consumption, Data Organization & Wrangling, Data Visualization, De…