According to the National Association of Colleges and Employers, the 2013 mean annual salary of business degree graduates in accounting was $54,950. In a follow-up study in June 2014, a sample of 48 graduating accounting majors provided the following salary data. Perform a test of hypothesis at a 5% level of significance to determine whether the sample data supports the conclusion that June 2014 graduates in accounting have a mean salary greater than the 2013 mean annual salary of $54,950.