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. A Real Estate Agent earns an average salary of $45,737 per year. Most people with this job move on to other positions after 20 years in this career.