SOLUTION: In the formula Σ (x – µ) ^2/n for the variance, in what cases would we divide by n-1 instead of n?
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Question 888617
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In the formula Σ (x – µ) ^2/n for the variance, in what cases would we divide by n-1 instead of n?
Found 2 solutions by
jim_thompson5910, Edwin McCravy
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Answer by
jim_thompson5910(35256)
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If you want the population variance, you divide by n.
If you want the sample variance, you divide by n-1.
Answer by
Edwin McCravy(20062)
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when it's a sample. Only use n for populations.