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S/F Ekonometri Ch 11.1
S/F Ekonometri Ch 11.1

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
  • Sample Question 1
    In the presence of heteroscedasticity OLS estimators are biased as well as inefficient.
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  • Sample Question 2
    If heteroscedasticity is present, the conventional t and F tests are invalid.
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  • Sample Question 3
    In the presence of heteroscedasticity the usual OLS method always over estimates the standard errors of estimators.
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