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: 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:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
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) (Show Source): You can put this solution on YOUR website!
when it's a sample. Only use n for populations.
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