Alternative Equation Formats

The equation on this page is available in multiple formats. Depending on your browser, some formats might not render correctly.

MathML

s_{w}^{2} = \frac{1}{d} \sum_{i} w_{i} (x_{i} - {\bar{x}}_{w})^{2}

s_{w}^{2} = \frac{1}{d} \sum_{i} w_{i} (x_{i} - {\bar{x}}_{w})^{2}

\[ s_{w}^{2} = \frac{ 1 }{ d } \sum _{i} w_{i} ( x_{i} - \overline{x}_{w} )^{2} \]