Using the Body Fat data set,

(a) create scatterplots of Density versus Age, Density versus Neck, and Density versus Chest.

(b) describe the patterns of the data clouds in the scatterplots in part (a).

(c) compute the correlation between Density, Age, Neck, and Chest.

(d) determine which of the explanatory variables Age, Neck, and Chest has the strongest linear relationship with Density.