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Why is the sample variance distributed chi-squared with n-1 degrees of freedom? | by Mark Jamison | Towards Data Science
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Section 7-5 Estimating a Population Variance. MAIN OBJECTIIVES 1.Given sample values, estimate the population standard deviation σ or the population variance. - ppt download
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estimation - Why use Chi-squared distribution to estimate the variance of normal distribution? - Cross Validated
![Why is the sample variance distributed chi-squared with n-1 degrees of freedom? | by Mark Jamison | Towards Data Science Why is the sample variance distributed chi-squared with n-1 degrees of freedom? | by Mark Jamison | Towards Data Science](https://miro.medium.com/proxy/1*5SA3x8G-04VXTDJaTFOIqQ.png)
Why is the sample variance distributed chi-squared with n-1 degrees of freedom? | by Mark Jamison | Towards Data Science
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