Utkarsh mishra Asked a Question
April 10, 2021 6:09 pmpts 30 pts
what is the difference between population variance and sample variance and why we use n-1 in the formula of sample variance instaead of n
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  • Anuj s.
    https://youtu.be/9ONRMymR2Eg
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  • Anuj s. thankyou
    mean is required for calculating variance and mean is known, and we calculate by given data it is difficult to find population mean therefore we use n-1
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