Alternative Equation Formats

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MathML

W^{2} = \sum_{i = 1}^{n} {(U_{(i)} - \frac{2 i - 1}{2 n})}^{2} + \frac{1}{12 n}

W^{2} = \sum_{i = 1}^{n} {(U_{(i)} - \frac{2 i - 1}{2 n})}^{2} + \frac{1}{12 n}

\[ W^2 = \sum _{i=1}^ n\left(U_{(i)}-\frac{2i-1}{2n}\right)^2 + \frac{1}{12n} \]