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.
Real Estate Agent: Salary Details. According to the BLS, real estate agents earned a median salary of $40,990 in 2014. The best-paid earned about $105,270, while the lowest-paid earned approximately $21,540. The highest earners worked in the metropolitan areas of Indianapolis, New York City and Reno, Nevada. 75th Percentile $67,650.