2. Association and Correlation: Correlation
Direction of a Linear Relationship: Covariance
Consider the following #5# pair of observations for #X# and #Y#:
\[\begin{array}{|c|c|}
\hline
X&\,Y\,\\
\hline
10&8\\
5&7\\
2&10\\
1&1\\
2&4\\
\hline
\end{array}\]
Complete the table below.
| #X# | #Y# | #X-\bar{X}# | #Y-\bar{Y}# | #(X-\bar{X})(Y-\bar{Y})# |
| #10# | #8# | |||
| #5# |
#7# | |||
| #2# |
#10# | |||
| #1# |
#1# | |||
| #2# |
#4# |
Unlock full access
