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The figure for this exercise is a scatterplot of y = head circumference (cm) versus x = height (inches) for the 30 females in the physical dataset on the companion website.

339_Graph.jpg

a. Does the plot show a positive association, a negative association, or no association between the two variables? Explain.

b. One data point appears to be an outlier. What are the approximate values of height and head circumference for that point?

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