21 lines
343 B
TeX
21 lines
343 B
TeX
\documentclass[convert={density=500}, border=2pt, varwidth=3in]{standalone}
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\usepackage{amsmath}
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\usepackage{amssymb}
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\begin{document}
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\begin{align*}
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r_{X, Y} &= \frac{
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\sum_{i=1}^n(x_i - \overline{x})(y_i - \overline{y})
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}{
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\sqrt{
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\sum_{i=1}^n(x_i-\overline{x})^2
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}
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\sqrt{
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\sum_{i=1}^n(y_i-\overline{y})^2
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}
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}
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\end{align*}
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\end{document}
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