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.
National Pay Statistics. According to the Bureau of Labor Statistics, estimators of real estate value earned an average of $26.53 an hour in 2012, and reported an average annual income of $55,180. Half of real estate appraisers and assessors made between $17.03 and $33.56 an hour and between $35,430 and $69,800 a year.