Question 3: What would you guess the correlation coefficient to be for BMI and height?
If there is a relationship, it is a very weak one. Looking at the graph, there is a slight tendency for the cloud of points to rise. We might guess that r lies somewhere between 0.0 and 0.2. In fact, r = 0.13.
The relationship is not significant, P = 0.08.
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Last updated: 5 December, 2006.