The file lists the calories and sugar, in grams, in one serving of seven breakfast cereals:

a. Compute the covariance.
b. Compute the coefficient of correlation.
c. Which do you think is more valuable in expressing the relationship between calories and sugar-the covariance or the coefficient of correlation? Explain.
d. Based on (a) and (b), what conclusions can you reach about the relationship between calories and sugar?

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Cereal Calories Sugai Kellogg's All Bran Kellogg's Corn Flakes Wheaties Nature's Path Organic Multigrain 0 80 100 100 6 4 4 Flakes Kellogg Rice Krispies Post Shredded Wheat Vanilla 130 190 4 Almond Kellogg Mini Wheats 200 10