2. The National Association of Colleges (NAC) reports mean starting salaries for college graduates in various disciplines. NAC reported that the mean salary for 2014 engineering graduates was $62,719, whereas the mean salary for 2013 engineering graduates was $62,535. Assume that these statistics were drawn from independent samples of size 300, each with a sample standard deviation of $8,500, Test whether there was a significant increase in the salary of engineering graduates from 2013 to 2014, using a 10% level of significance. a. (2 points) State the null and alternative hypotheses Ho: H1 : b. (2 points) What calculator test will you use? List the requirements that must be met to use this test, and indicate whether the conditions are met in this problem. c. (2 points) Run the calculator test and obtain the P-value. d. (2 points) Based on your P-value, will you reject or fail to reject the null hypothesis? e. (2 points) Interpret your conclusion from part d in the context of this