Unbiased estimator for the variance
This project was created with Explain Everything™ Interactive Whiteboard for iPad and explains why do we need to multiply the sample variance by n/(n-1) to get an unbiased estimate for the population variance.
This project was created with Explain Everything™ Interactive Whiteboard for iPad and explains why do we need to multiply the sample variance by n/(n-1) to get an unbiased estimate for the population variance.