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Compute the sample covariance

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The following data contains? coaches' salaries and team revenues? (in millions of? dollars) for ten college basketball teams. Use this data to complete parts? (a) through? (c).

Salary                 1.9        1.6        1.8        0.7        0.2        0.8        0.6             1.3        1.4        1.5

Revenue            10.4      8.7        12.2      7.7        2.9        12.7      4.9             6.3        14.0      11.0

a. Compute the sample covariance. (Round to three decimal places as needed)

b. Compute the coefficient of correlation. (Round to three decimal places as needed)

c. What conclusions can you reach about the relationship between a? coach's salary and? revenue?

A. There is a slight relationship between a? coach's salary and revenue. Increases in a? coach's salary cause increases in revenue.

B. There is a moderate positive relationship between a? coach's salary and revenue. As a? coach's salary? increases, revenue tends to increase.

C. There is no relationship between a? coach's salary and revenue.

D. There is a strong positive relationship between a? coach's salary and revenue. As a? coach's salary? increases, revenue always increases.

Reference no: EM132372718

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