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.
The company operates as a private firm and offers many loan options for college students. Depending on the option, Sallie Mae loans either go directly to the school or directly to the student. Private Loans. Sallie Mae only gives private loans to students who have good credit.