Welcome to your Heteroscedasticity

1. What is heteroscedasticity?

2. Which of the following is a consequence of heteroscedasticity in a regression model?

3. Which test is commonly used to detect heteroscedasticity?

4. Which of the following graphical methods can be used to visually detect heteroscedasticity?

5. What is the impact of heteroscedasticity on Ordinary Least Squares (OLS) estimators?

6. Which of the following is a method to correct heteroscedasticity in regression analysis?

7. What does the presence of heteroscedasticity imply about the residuals?

8. Which type of heteroscedasticity occurs when variance increases with the level of an independent variable?

9. Why is heteroscedasticity a problem in regression analysis?

10. What is the effect of using robust standard errors in the presence of heteroscedasticity?