Last year's mean hourly wage (in dollars) for all hospital clerical workers in a large state was 6.75. An administrator for the state believes that this year's mean hourly wage for hospital clerical workers is greater than last year's mean. She hires statisticians to sample a number of hospital clerical workers and to carry out a hypothesis test. State the null hypothesis Ho and the alternative hypothesis H, that would be used for this test. Ho H:0 X P O S