Marks oblained by nine students in Physics and Mathematics are give...

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Marks oblained by nine students in Physics and Mathematics are given below :
\begin{tabular}{|l|l|l|l|l|l|l|l|l|l|}
\hline Physics & 35 & 23 & 47 & 17 & 10 & 43 & 9 & 6 & 28 \\
\hline Mathematics & 30 & 33 & 45 & 23 & 8 & 49 & 12 & 4 & 31 \\
\hline
\end{tabular}
Calculate Spearman's coefficient of rank correlation and interpret the result.
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