The following data are the number of years of full-time education (x) and the annual salary in thousands of dollars (y) for 15 persons. Education 20 27 28 18 13 18 9 16 Salary 35.2 24.2 23.5 33.4 24.5 33.1 11.5 32.7 Education 16 12 12 19 16 14 13 Salary 25.7 22.2 18.9 37.3 25.5 28.3 29.8 Find r. (Round your answer to three decimal places.)

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