Alternative Equation Formats

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MathML

σ^{2} = 2 m + \sum_{j = 1}^{m} \frac{1}{w_{j} n_{j}} (\frac{1}{{\hat{π}}_{j} (1 - {\hat{π}}_{j})} - 6) - c^{'} \hat{V} c where c = \sum_{j = 1}^{m} (1 - 2 {\hat{π}}_{j}) x_{j}

Math Rendered as SVG

Math as LaTeX Source

\[ \sigma ^2= 2m + \sum _{j=1}^ m\frac{1}{w_ jn_ j}\left(\frac{1}{\hat{\pi }_ j(1-\hat{\pi }_ j)} - 6\right) - \mb{c}'\widehat{\mb{V}}\mb{c} \quad \mbox{where} \quad \mb{c} = \sum _{j=1}^ m (1-2\hat{\pi }_ j)\mb{x}_ j \]