# Linked Questions

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### How are $\hat{\beta}$ and $\hat{\sigma}^2$ independent in OLS when assuming that $\epsilon \sim N(0, \sigma^2)$? [duplicate]

In Elements of Statistical Learning, pg 47, at the very bottom, it states that $\hat{\beta}$ and $\hat{\sigma}^2$ are statistically independent. Is this saying that they are independent when ...
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