Professional Golfers' Earnings Two random samples of earnings of professional golfers were selected. One sample was taken from the Professional Golfers Association, and the other was taken from the Ladies Professional Golfers Association. At a=0.01, is there a difference in the means? The data are in thousands of dollars. Use the critical value method with tables. PGA 446 1147 1344 9188 5687 2 10,508 8553 7573 375 LE LPGA ol 76 122 466 100 1876 2029 4364 2921 Send data to Excel Use u, for the mean earnings