Agriculture Reference
In-Depth Information
Figure 10.1
Twoway graphing dialog box on a Macintosh computer.
Figure 10.2
Scatter plot graph of hog prices and number marketed.
The dots in the scatter plot appear to be trending downward as you
move from left to right on the
x
-axis. This suggests a negative correla-
tion with lower prices associated with more hogs marketed.
Now let's see what the correlation between these two variables is.
Enter the command
correlate
price hogs
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