2. Association and Correlation: Correlation
Direction of a Linear Relationship: Covariance
Consider the following #5# pair of observations for #X# and #Y#:
\[\begin{array}{|c|c|}
\hline
X&\,Y\,\\
\hline
5&2\\
6&7\\
1&4\\
3&10\\
5&2\\
\hline
\end{array}\]
Complete the table below.
#X# | #Y# | #X-\bar{X}# | #Y-\bar{Y}# | #(X-\bar{X})(Y-\bar{Y})# |
#5# | #2# | |||
#6# |
#7# | |||
#1# |
#4# | |||
#3# |
#10# | |||
#5# |
#2# |
Unlock full access