6.22 Average starting salary. The National Association of Colleges and Employers (NACE) Spring Salary Survey shows that the current class of college graduates received an average starting-salary offer of $48,127.9 Your institution collected an SRS (n = 300) of its recent graduates and obtained a 95% confidence interval of ($46,382, $48,008). What can we conclude about the difference between the average starting salary of recent graduates at your institution and the overall NACE average? Write a short summary.