Calculate the coefficient of correlation between \( X \) and \( Y \...

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Calculate the coefficient of correlation between \( X \) and \( Y \) from the following data using Karl Pearson's method.
\begin{tabular}{|c|c|c|c|c|c|}
\hline \( \mathrm{X} \) & 1 & 2 & 3 & 4 & 5 \\
\hline \( \mathrm{Y} \) & 2 & 5 & 3 & 8 & 7 \\
\hline
\end{tabular}
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