# Question

1. Do you agree that drawing a second sample was a good idea?

2. Do you agree that the follow-up mailings were a good idea?

3. How might you explain differences among averages in the results?

4. Are there useful results here? Which ones are useful? Are they sufficient, or is further study needed?

2. Do you agree that the follow-up mailings were a good idea?

3. How might you explain differences among averages in the results?

4. Are there useful results here? Which ones are useful? Are they sufficient, or is further study needed?

## Answer to relevant Questions

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