Guideline For Presentation: 1. Introduction: Names and topic. Why are you interested in the problem? Some backgrounds. How to obtain data. 2. Statistical technique: What techniuqe you use to study the problem. In some cases, you might want to show your calculation a little bit. (pictures and tables might help) 3. Conclusion: Make conclusion, suggestion. What do you learn from the problem? Grade points: 8-10: well prepare with sufficient use of the statistical tools we've learned. 5-7: Missing some contents from the above. 3-4: Clearly not ready for presentation. 0: Not making presentation.