6. Cheese, Please! Do you just love cheese, or are you trying to avoid large amounts of fat, sodium, and cholesterol? The following information was taken from eight different brands of American cheese slices:

a. Which pairs of variables do you expect to be strongly related?

b. Draw a scatterplot for fat and saturated fat and another for fat and calories. Describe the patterns that you see.

c. Draw a scatterplot for fat versus sodium and another for cholesterol versus sodium. Compare the patterns.
Are there any clusters or outliers?

d. For the pairs of variables that appear to be linearly related, calculate the correlation coefficients.

e. Write a paragraph to summarize the relationships you can see in these data.

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Satu- rated Choles- terol Sodium Brand Fat (g) Fat (g) (mg) (mg) Calories Kraft Deluxe American 7 4.5 20 340 80 Kraft Velveeta Slices 5 3.5 15 300 70 Private Selection 8 5.0 25 520 100 Ralphs Singles 4 2.5 15 340 Kraft 2% Milk Singles 3 2.0 10 10 320 Kraft Singles American 5 3.5 15 290 Borden Singles 5 3.0 15 260 888 60 50 70 60 Lake to Lake American 5 3.5 15 330 70