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.
Can a cosigner settle a Sallie Mae loan if the primary borrower defaults? I have a Sallie Mae loan which has gone into default. In addition, a third-party collection agency is involved and is attempting to collect the debt from the co-signer, who lives in MA. I've talked to the collection agency to no avail.