The national Association of colleges supports me starting salaries for college graduates in various disciplines. NAC reported that the mean salary for 2014 engineering graduate with $62,719 whereas the mean salary for 2013 engineering graduates was $62,535. Assume that the statistics were drawn from independent samples of size 300, each with a sample standard deviation of $8500. Test whether there was a significant increase in salary of engineering graduates from 2013 to your house and 14, using a 10% level of significance