1.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).

Salary1.11.61.31.70.30.60.81.51.81.9

Revenue 8.618.519.210.04.46.87.410.817.39.1

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.