Alternative Equation Formats

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MathML

W_{j} (x) = \frac{1}{\sqrt{n}} \sum_{i = 1}^{n} I (x_{i j} \leq x) e_{i}

W_{j} (x) = \frac{1}{\sqrt{n}} \sum_{i = 1}^{n} I (x_{i j} \leq x) e_{i}

\[ W_ j(x) = \frac{1}{\sqrt {n}}\sum _{i=1}^ n I(x_{ij} \le x) e_ i \]