Alternative Equation Formats

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MathML

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

MathML rendered with MathJax

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

Math as LaTeX Source

\[ \bar{y}_ w \pm t_{(1-\alpha /2)} \frac{s_ w}{\sqrt {\displaystyle \sum _{i=1}^{n}w_ i}} \]