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.
Regional Averages. In 2014, average salaries for first-year real estate sales agents varied most significantly within the South region, according to Simply Hired, where they averaged the highest first-year annual salaries of $53,000 in Washington, D.C., and the lowest first-year salaries of $26,000 in Mississippi.ational Average and Job Basics. The average annual salary of a first-year real estate sales agent was $33,000 as of 2014, according to the Simply Hired job site. In real estate, salaries or incomes are mostly earned through commissions.