2. Association and Correlation: Correlation
Monotonic Relationship: Spearman Correlation Coefficient
Consider the following #5# pairs of data points:
\[\begin{array}{|c|c|}
\hline
X&\,Y\,\\
\hline
8&4\\
8&5\\
9&2\\
1&5\\
4&7\\
\hline
\end{array}\]
Give the separate rankings of the variables #X# and #Y#
| #X# | #Y# | rank #X# | rank #Y# |
| #8# | #4# | ||
| #8# | #5# | ||
| #9# | #2# | ||
| #1# | #5# | ||
| #4# | #7# |
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