2. Association and Correlation: Correlation
Monotonic Relationship: Spearman Correlation Coefficient
Consider the following #5# pairs of data points:
\[\begin{array}{|c|c|}
\hline
X&\,Y\,\\
\hline
2&3\\
2&5\\
7&4\\
8&5\\
9&8\\
\hline
\end{array}\]
Give the separate rankings of the variables #X# and #Y#
| #X# | #Y# | rank #X# | rank #Y# |
| #2# | #3# | ||
| #2# | #5# | ||
| #7# | #4# | ||
| #8# | #5# | ||
| #9# | #8# |
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