The average salary for American college graduates is $42,600. You suspect that the average is different for graduates from your college. The 43 randomly selected graduates from your college had an average salary of $40,030 and a standard deviation of $12,460. What can be concluded at the a = 0.10 level of significance? ' a. F0? this Study, we should use Host for a population mean 3 V, b. The null and alternative hypotheses would be: Ho': ? a Selectananswar 9 H1: :3 a Select an answer a C] c. The test statistic ? a = E (please show your answer to 4 decimal places.) d. The p-value = S (Please show your answer to 4 decimal places.) e. The p-value is ? B a f. Based on this, we should Select an answer a the null hypothesis. 2. Thus. the final rnnrlncinn ic that