In: Statistics and Probability
Conduct a hypothesis test with a 5% level of significance on the claim that the average annual salary for a registered nurse in the state of Washington in 2017 was $55,000. Plainly state your null and alternative hypothesis, what type of test you are using, and why.
Data:
61000, 57700, 120100, 8500, 55200,
53000, 40700, 48800, 33800, 50100,
40900, 56300, 56100, 34600, 2100,
42600, 2400, 48600, 21300, 52600,
87900, 29700, 43300, 33200, 41500,
47600, 79100, 38300, 8500, 112000,
10100, 79100, 13900, 68000, 37000,
45100, 41500, 41900, 14500, 42500