19. Samples of starting annual salaries for individuals entering the public accounting and financial planning professions follow. Annual salaries are shown in thousands of dollars. Public Accountant Financial Planner 50.2 49.0 58.8 49.2 56.3 53.1 58.2 55.9 54.2 51.9 55.0 53.6 50.9 49.7 59.5 53.9 57.0 51.8 51.9 48.9 a. Use a .05 level of significance and test the hypothesis that there is no difference be- tween the starting annual salaries of public accountants and financial planners. What is your conclusion? b. What are the sample median annual salaries for the two professions?