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.
The median annual wage for real estate sales agents was $43,370 in May 2015. The lowest 10 percent earned less than $21,780, and the highest 10 percent earned more than $110,560. Brokers and sales agents earn most of their income from commissions on sales. The commission varies by the type of property and its value.