The following results were obtained from thirteen responses to a graduate survey on the salaries offered to Bachelor of Business graduates from major organisations, measured in thousands of dollars. What is the difference between the third quartile and minimum in DOLLARS? 19.7 26.3 27.0 31.2 37.7 25.5 29.2 30.9 31.5 34.4 19.3 38.3 21.9.