The following salary figures have been reported for the mayor, police chief, and fire chief for a sample of U.S. cities.
Assuming these are a random sample of major cities in the United States, and using the 0.10 level of significance, can we conclude that the median salaries for these positions of responsibility could be the same?
Using the appropriate statistical table, what is the most accurate statement that can be made about the p-value for the test?
