Youtubedia
Introduction to Econometrics
Chapter 1
Sample moments
Sample moments
Problem: Calculate sample moments in Excel
Problem: Sample variance, negative and zero
Problem: Important sum rules for sample moments
Problem: Calculating sums in Excel
Getting started with econometric software
Introduction to Eviews
Introduction to commands in Eviews
Problem: Calculate sample moments in Eviews
Problem: Calculate sample moments in Eviews using commands
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Chapter 1
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Problem: Sample variance, negative and zero
Problem
Explain why the sample variance cannot be negative.
If sample variance is zero, what can you then say about the sample?
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Solution