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_{p} = \sqrt{\frac{\sum_{i = 1}^{N} s_{i}^{2} (n_{i} - 1)}{\sum_{i = 1}^{N} (n_{i} - 1)}}

MathML rendered with MathJax

s_{p} = \sqrt{\frac{\sum_{i = 1}^{N} s_{i}^{2} (n_{i} - 1)}{\sum_{i = 1}^{N} (n_{i} - 1)}}

Math as LaTeX Source

\[ s_ p = \sqrt { \frac{ \sum ^{N}_{i=1}{ s_{i}^{2} (n_ i - 1)} }{ \sum ^{N}_{i=1}{ (n_ i - 1) } } } \]

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