Compute the linear correlation coefficient between the two variables, rounding to three decimal places, and determine whether a linear relation exists. The table shows the number of days off last year and the earnings for the year (in thousands of dollars) for nine randomly selected insurance salesmen. Number of days off, x 0 3 6 4 9 2 15 8 5 Earnings, y 89 77 71 73 62 83 46 67 73