[Chi-Squared 04] Chi-Squared Distribution and Sample Variance with Normality Assumption

Proof that sample variance with sample size n follws chi-squared distribution with n-1 DF

    $\large \frac{n-1}{\sigma^{2}}\,S_{n}\, = \, \chi^{2}_{n-1}$

• Chi-Squared Distribution and Sample Variance with Normality Assumption