variance

2020-10-20 shark 1 min read

Here is the equation:

(1) $\begin{equation*}\begin{matrix}\text{Population} \quad \mu = \frac{\sum_{i=1}^N(x_i-\overline{x})^2}{N} \\\text{Sample} \quad \mu = \frac{\sum_{i=1}^N(x_i-\overline{x})^2}{N-1}\end{matrix}\end{equation*}$

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