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.
1 While it's true that the average realtor is doing $240,000 deals, plenty of them are doing much bigger deals and in Chicago averages of $400,000+ are not unusual.  They based their calculation off the low end of their own listing commission range.