Alternative Equation Formats

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MathML

e = (z_{α / 2} / N) \sqrt{\sum_{i = 1}^{H} (N_{i}^{2} S_{i}^{2} / n_{i})}

e = (z_{α / 2} / N) \sqrt{\sum_{i = 1}^{H} (N_{i}^{2} S_{i}^{2} / n_{i})}

\[ e = (z_{\alpha /2} / N) \sqrt { \sum _{i=1}^ H{ (N_ i^2 S_ i^2 / n_ i ) } } \]