8) According to the National Association of Colleges and Employers, the average starting salary of 2014 college graduates with a bachelor's degree was $ 45,473

8) According to the National Association of Colleges and Employers, the average starting salary of 2014 college graduates with a bachelor's degree was $ 45,473. A random sample of 1000 recent college graduates from a large city showed that their average starting salary was $ 46,930. Suppose that the population standard deviation for the starting salaries of all recent college graduates from this city is $ 7820. Can you conclude that the average starting salary of recent collegegraduates from this city is greater than $ 45,473 with 1% significance level?