The University of Delaware would like to describe the linear relationship between the grade point average (GPA) and the starting monthly salary of a graduate who earned a business degree from the university. The following table shows the monthly starting salaries for eight graduates of the business school along with their corresponding GPAs:

Determine the sample correlation coefficient between the starting salary and the GPA of a University of Delaware business graduate.

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Starting Starting Salary ($ GPA 3.2 3.4 2.6 3.5 2,600 2,900 2.500 2.600 Salary ( GPA 3.7 4.0 2.5 3.000 2,900 2,200 2.400