The mass of the body is found by simply weighing a person on a scale. The volume of the body is most easily and accurately determined by completely immersing a person in water and calculating the volume of water from the weight of water that is displaced (via underwater weighing).
Mailman Salary Statistics as of 2015. Average annual salary for a Mailman is $36600 based on statistics in the U.S. as of 2015. The highest salary recorded was $76765. The lowest salary reported was $15604. These figures will vary on a state to state basis as these are averages across all 50 states.
National Statistics. According to the Bureau of Labor Statistics, as of 2010 there were 324,990 postal mail carriers in the United States. These workers are paid an average hourly rate of $24.16 which equates to an average annual salary of $50,250.The top 10 percent of earners bring home an annual salary of $55,790, while the lowest 10 percent of earners bring home $38,490.hese workers are paid an average hourly rate of $24.16 which equates to an average annual salary of $50,250. The top 10 percent of earners bring home an annual salary of $55,790, while the lowest 10 percent of earners bring home $38,490.