40 45 42 49 49 43 55 42 44 40 Wait Time minutes 49 38 41 48 42 41 42 49 61 39 46 45 46 41 40 42 43 40 45 37 a Compute the mean waiting time for these 40 patients b Compare the median waiting time c Compute the mode d Compute the first and third quartiles 44 51 45 42 43 41 40 43 37 43 8 Middle Level Manager Salaries Suppose that an independent study of middle level managers employed at companies located in Atlanta Georgia was conducted to compare the salaries of managers working at firms in Atlanta to the salaries of middle level managers across the nation The following data show the salary in thousands of dollars for a sample of 15 middle level managers 108 83 106 73 53 5 20 63 67 75 124 55 93 118 77 a Compute the median salary for the sample of 15 middle level managers Suppose the median salary of middle level managers employed at companies located across