Alternative Equation Formats

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MathML

V a r (r_{s}) = \frac{1}{n^{2} w^{4}} \sum_{i} \sum_{j} n_{i j} (z_{i j} - \bar{z})^{2}

V a r (r_{s}) = \frac{1}{n^{2} w^{4}} \sum_{i} \sum_{j} n_{i j} (z_{i j} - \bar{z})^{2}

\[ \mr{Var}(r_ s) = \frac{1}{n^2 w^4} \sum _ i \sum _ j n_{ij} (z_{ij} - \bar{z})^2 \]