Alternative Equation Formats

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MathML

\begin{array}{rcl} B & = & \frac{n}{M - 1} \sum_{m = 1}^{M} ({\bar{θ}}_{m}^{\cdot} - {\bar{θ}}_{\cdot}^{\cdot})^{2}, where {\bar{θ}}_{m}^{\cdot} = \frac{1}{n} \sum_{t = 1}^{n} θ_{m}^{t}, {\bar{θ}}_{\cdot}^{\cdot} = \frac{1}{M} \sum_{m = 1}^{M} {\bar{θ}}_{m}^{\cdot} \\ W & = & \frac{1}{M} \sum_{m = 1}^{M} s_{m}^{2}, where s_{m}^{2} = \frac{1}{n - 1} \sum_{t = 1}^{n} (θ_{m}^{t} - {\bar{θ}}_{m}^{\cdot})^{2} \end{array}

Math Rendered as SVG

Math as LaTeX Source

\begin{eqnarray*} B & =& \frac{n}{M-1} \sum _{m=1}^{M}(\bar{\theta }_ m^{\cdot } - \bar{\theta }_{\cdot }^{\cdot })^2, \; \; \mbox{where} \; \; \bar{\theta }_{m}^{\cdot } = \frac{1}{n} \sum _{t=1}^{n}\theta _ m^ t, \; \; \bar{\theta }_{\cdot }^{\cdot } = \frac{1}{M} \sum _{m=1}^{M}\bar{\theta }_ m^{\cdot } \\ W & =& \frac{1}{M}\sum _{m=1}^ M s_ m^2, \; \; \mbox{where} \; \; s_ m^2 = \frac{1}{n-1}\sum _{t=1}^ n (\theta _ m^ t - \bar{\theta }_{m}^{\cdot } )^2 \end{eqnarray*}