This resource includes one powerpoint-style lesson (example is in the preview) per section, one worksheet set with full solutions per section, one reference sheet for the unit, and one unit test for the unit with solutions. Unit 3: Collecting Data3.1 — Populations, Samples, and Observational Studies 3.2 — Sampling Methods: SRS, Stratified, Cluster, Systematic 3.3 — Sampling Bias: Undercoverage, Nonresponse, Response Bias 3.4 — Designing Experiments: Treatments, Factors, Levels 3.5 — Experiment E