Epidemiology is about the understanding of disease. development and the methods used to uncover the etiology, progression, and treatment of the disease. . Information (data) is collected to investigate a question.
Real estate sales agents make an average salary of about $53,140, which is in the middle of the pack for business jobs. They make less than less than sales representatives, who bring in $64,670.
Related Reading: The Average Miles for a Real Estate Agent Per Year. While Simply Hired reported salaries of $33,000 for first-year real estate sales agents in 2014, the average annual salary for all real estate sales agents was $51,934 as of May 2012, according to the BLS.