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Results tagged with econometrics
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user 2963
Econometrics is the application of statistical methods to economic data for various purposes such as of testing hypotheses, infering causal relationships and forecasting future trends. Only use this tag for questions relating to the theoretical aspect of an econometric technique.
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Prove the sample variance is an unbiased estimator
I have to prove that the sample variance is an unbiased estimator. What is is asked exactly is to show that following estimator of the sample variance is unbiased:
$s^2=\frac{1}{n-1}\sum\limits_{i=1} …
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