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Exercise to show relationship of male and female arm circumference in a district level dataset for Bangladesh:
1. Open bdeshc.sav
2. Click on Graphs, Scatter and enter acprvf in the Y-axis box and acprvm in the X-axis box.
3. Click on OK.
INTERPRETATION: Here the relationship looks like it is a positive linear relationship, as expected. It should be that as male arm circumference increases, so does females...or where males are malnourished females are also malnourished. There are not any areas that are so clearly out of the expected pattern that they might causes skewing of the results. The rule of thumb is that outliers should neither mask nor drive a relationship.
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