Here are the answers to the Christmas quiz on American statistics, since I figure anybody who would have sent in an answer has already done so.

1. b
2. c
3. c
4. a
5. a
6. c
7. d
8. a d c b (b and c are actually almost tied; don't count a d b c as wrong)
9. d
10. d
11. a d c b
12. a
13. c
14. b
15. c