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This quiz titled 'S\/F ekonometri ch 11.1' assesses understanding of econometric concepts, particularly focusing on heteroscedasticity. It evaluates knowledge on the bias and efficiency of OLS estimators, the validity of...
Questions: 7 | Attempts: 768 | Last updated: Mar 15, 2025
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Sample Question 1In the presence of heteroscedasticity OLS estimators are biased as well as inefficient.
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Sample Question 2If heteroscedasticity is present, the conventional t and F tests are invalid.
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Sample Question 3In the presence of heteroscedasticity the usual OLS method always over estimates the standard errors of estimators.
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