The file Cereals 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 sugarâthe 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?
Cereal Calories Sugar Kellogg's All Bran Kellogg's Corn Flakes 80 100 Wheaties 100 Nature's Path Organic Multigrain Flakes 110 Kellogg's Rice Krispies 130 4 Post Shredded Wheat 190 11 Vanilla Almond Kellogg's Mini Wheats 200 10 6244