Read Chapters 12 and 13 and the Conclusion from Naked Statistics, and answer the following: 1. Chapter 12: Among various regression pitfalls, the author discusses multicollinearity. What is multicollinearity, and what are its potential consequences? 2. Chapter 13: What is a "natural experiment"? How did such an experiment help researchers to analyze the relationship between police presence and crime rates? 3. Conclusion: Consider the ve \"important questions" considered by the author. What is a \"big" or important question in your eld of study? How would you try to answer that question through sampling and statistical analysis