For questions 16-20, an employment information service time workers over the age of 25 and without high school random sampleof 10 full-time workers without high scho test the claim that the mean salary is $24,600. 22,954 19,212 23,438 21,456 24,655 25,493 16. List the null and alternative hypotheses. Label the cla 17. State the level of significance.