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.
In 1968, Ginnie Mae was the first to issue a new type of government-backed bond, known as the residential mortgage-backed security. This bond took a number of home loans, pooled the monthly principal and interest payments and then used the monthly cash flows as backing for the bond(s).