\item Find the correlation coefficient for each of the two data sets shown below.\medskip\smallskip

\hspace*{40pt}\begin{minipage}[t]{360pt}
\begin{tabular}{c|c}
x&\hspace*{0pt}y\\ \hline
1&1\\
1&2\\
1&1\\
1&3\\
2&1\\
2&4\\
2&1\\
3&2\\
3&2\\
4&3\\
\end{tabular}\hspace*{50pt}
\begin{tabular}{c|c}
x&\hspace*{0pt}y\\ \hline
1&2\\
1&2\\
1&2\\
1&2\\
2&4\\
2&4\\
2&4\\
3&6\\
3&6\\
4&8\\
\end{tabular}
\end{minipage}
