1. AP Statistics Chapter 13 Experiments & Observational Studies *Please download power point from wiki* Reminder: Unit III Team Assessment (Chapters 11 through 13) Friday 12/19/14 & Monday 12/22/14

2. Retrospective Prospective trends relationships causal

3. Experiment can random factor measure levels treatments

4. conditions randomization Replicate Block

5. Generic Diagram (sample):

6. Just checking Pg. 300

7. randomly

8. treatment No treatment group

9. blind influence interpret one both

10. Placebo effect

11. similar Matching

13. confounding response