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