For a symmetric distribution (where the median equals the midhinge, the average of the first and third quartiles), half the IQR equals the median absolute deviation (MAD). The median is the corresponding measure of central tendency. Identification of outliers (see below).
SLM Corporation (commonly known as Sallie Mae; originally the Student Loan Marketing Association) is a publicly traded U.S. corporation that provides consumer banking. Its nature has changed dramatically since it was set up in 1973. At first, it was a government entity that serviced federal education loans.
About Sallie Mae (SLM Corporation) Sallie Mae was founded as the Student Loan Marketing Association in the year 1972. It is a leading financial services company specialising in education. Sallie Maeâs products for education include savings programs, education loans, tuition insurance, online banking, among others. Currently, the company has some 25 million customers. Sallie Mae also provides financial services to college campuses and federal and state governments. The company and its subsidiaries manage some $234 billion in education loans. A Fortune 500 company, Sallie Mae was one of the Top Innovators in IT according to InformationWeek. Headquartered in Newark, Delaware, Sallie Mae is a publicly held company. Sallie Mae products and services include private student loans, banking, insurance and 529 plans.