Compute the coefficient of correlation

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Answer and Show your solution with formula 3.46

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

Cereals Calories Sugar

Kellogg's All Bran 80 6

Kellogg's Corn Flakes 100 2

Wheaties 100 4

Nature's Path Organic 110 4

Flakes

Kellogg Rice Krispies 130 4

Post Shredded Wheat Vanilla 190 11

Almond

Kellog Mini Wheats 200 10

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.

Reference no: EM132843553

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