find the mean and median for the following annual salaries (in thousands) for employees of the Widget Factory 38.5, 31.0, 29.8, 3.4, 40.1, 35.1, 30.8, 41.5, 12.6, 39.7, 28.4, 34.2, 38.6, 35.5, 187.4, 40.6, 39.7, 31.0, 29.8, 42.0 which is the most representative of the average annual salary? why?