Attempts: Score: 12
9. Relationships between means, standard deviations, X values, and z-scores
The International Average Salary Income Database provides a comparison of average salaries for various professions. The data are gathered from
publications and reports obtained directly from government agencies (such as the U. S. Bureau of Labor Statistics) or from the International Labour
Organization
Suppose you are told that an accountant in Poland who makes $925.40 has a z-score of +2.00 relative to other accountants in Poland and that the
standard deviation of the salary of accountants in Poland is $154.20. The average salary, then, for accountants in Poland is
Suppose you are also told that an accountant in Portugal who makes $1,067.75 has a z-score of -1.25 relative to other accountants in Portugal and
that the mean of the salary of accountants in Portugal is 1553. The standard deviation of the salary, then, for accountants in Portugal is