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Question: question 2 15p multicollinearity and heteroscedasticity a what does heteroscedasticity...

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Question 2 (15p): Multicollinearity and heteroscedasticity a. What does heteroscedasticity mean? How does it affect estimates? b. What is multicollinearity and how does it affect estimates? Question 3 (15p): In estimating the effect of a beer tax on traffic accidents, assume as in the textbook
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