1. Experiments and Inference about Cause
Section 4.3
Experiments and Inference about Cause

2. Activity 4.3a, Page 249
Goal: Gain practice with randomization as it is used in design of experiments and to see the effects of randomization.

3. Tasks
a) Organize yourselves and complete all data collection portions of the activity

4. Tasks
a) Organize yourselves and complete all data collection portions of the activity
b) Then, you may work in groups of 3 to 4 to complete the write-up for activity.
-- one write-up per group
-- carefully read and follow directions

5. Tasks
a) Organize yourselves and complete all data collection portions of the activity
b) Then, you may work in groups of 3 to 4 to complete the write-up for activity.
-- one write-up per group
-- carefully read and follow directions
c) Due tomorrow

6. Questions before you begin?