AP Statistics

Chapter 3   Collecting Data
Unit 3-1 Unit 3-2 Unit 3-3 Unit 3-4
Unit 3-1 Planning a Study, Random Sampling, and Data Collection Outline
  1. Identify the type of study.
  2. Identify appropriate generalizations based on observational studies
  3. Determine methods ofsampling and identify a sampling method.
    • Simple Random Sample (SRS)
    • Stratified Sampling
    • Cluster Sampling
    • Systematic Sampling
    • Convenience Sampling
  4. Explain why a particular sampling method is (or is not) appropriate for a given situation.
  5. Assignment 3-1: 
Unit 3-2 Potential Problems with Sampling Outline
  1. Distinguish between an Observational Study and an Experiment
    • Identify possible confounding variables.
    • Distinguish double-blind from single-blind experiments.
    • Recognize the placebo effect.
  2. Assignment 3-2:
Unit 3-3 Designing Experiments and Selecting an Experimental Design Outline
  1. Identify possible confounding variables.
  2. Distinguish double-blind from single-blind experiments.
  3. Recognize the placebo effect.
  4. Use a control group in an experiment when appropriate.
  5. Design a completely randomized experiment.
  6. Design a block experiment or matched pairs experiment when appropriate.
  7. Using the 4 Key Concepts in Experimental Design
    1. Randomization
    2. Blocking
    3. Direct Control
    4. Replication
  8. Assignment 3-3: Worksheet
Unit 3-4 Inference and Experiments: What Can We Conclude? Outline
  1. Interpret the results of a well-designed experiment.
  2. Explain the meaning of statistically significant results of an experiment.
  3. Assignment 3-4: Worksheet