432 Age and Weight for Men and Women The scatterplot shows

* 4.32 Age and Weight for Men and Women The scatterplot shows a solid blue line for predicting weight from age of men; the dotted red line is for predicting weight from age of women. The data were collected from a large statistics class. a. Which line is higher and what does that mean? b. Which line has a steeper slope and what does that mean?

Solution

1)

From the displayed graph, the solid blue line is higher. Because most of the points are lies upper side of the line.

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2)

The dotted red line is steeper slope. Because most of the points are lies lower side of the line.