A manager wishes to determine the relationship between the number of years the managers sales representatives have been with the company and their average monthly sales (in thousands of dollars). Calculate the linear correlation coefficient. Round to three decimal places.
Years with company, x= 4, 5, 12, 9, 10, 17, 5, 3, 13
Sales, y= 24, 26, 71, 55, 58, 54, 41, 48, 113