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.
According to Salary.com, most real estate agents earn on average between $34,000 and $45,000 annually. How much agents make depends on the number of transactions they complete, the commission paid to the brokerage and their split with the sponsoring broker.