Business 2.0's first annual employment survey provided data showing the typical annual salary for 97 different jobs. The following data show the annual salaries for 30 different workers in computers, construction, and engineering (Business 2.0, March 2003).
Excel or Minitab users: The data set is available in file named JobSalary. All data sets can be found in your eBook or on your Student CD.
Use = .05 to test for a significant difference among the mean annual salaries for the three job fields.