Alternative Equation Formats

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MathML

{\bar{x}}_{w} \pm t_{1 - \frac{α}{2}} \frac{s_{w}}{\sqrt{\sum_{i = 1}^{n} w_{i}}}

{\bar{x}}_{w} \pm t_{1 - \frac{α}{2}} \frac{s_{w}}{\sqrt{\sum_{i = 1}^{n} w_{i}}}

\[ \bar{x}_ w \pm t_{1-\frac{\alpha }{2}} \frac{s_ w}{\sqrt {\sum _{i=1}^ n w_ i}} \]