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.
Sallie Mae is a widely utilized private student loan lender. To date, they have provided loans to more than 30 million undergraduate, graduate, and professional students. Because of the size of Sallie Mae, they have the ability to offer competitive interest rates for both variable and fixed interest loans, as well as valuable benefits and incentives.