Alternative Equation Formats

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MathML

I_{k} = \frac{1}{V a r ({\bar{y}}_{k})} = \frac{N_{k}}{σ^{2}}

I_{k} = \frac{1}{V a r ({\bar{y}}_{k})} = \frac{N_{k}}{σ^{2}}

\[ I_{k} = \frac{1}{\mr{Var}({\overline{y}}_{k})} = \frac{N_{k}}{{\sigma }^{2}} \]